- Vol 122, No 3 (2022)
- Pages: 298-309
- Published: 2022-02-25
- https://doi.org/10.18520/cs%2Fv122%2Fi3%2F298-309
- Cited by 0 articles
Open Access
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Kerala Bird Atlas 2015–20: features, outcomes and implications of a citizen-science project
J. Praveen
1,
P. O. Nameer
2,
Ashish Jha
3,
Anish Aravind
4,
K. G. Dilip
5,
Dipu Karuthedathu
6,
George Tom
1,
Hari Mavelikara
7,
Harikumar Mannar
8,
Jafer Palot
9,
Jaichand Johnson
10,
R. Jishnu
11,
K. Maxim Rodrigues
12,
P. M. Mujeeb
13,
L. Namassivayan
14,
Naveelal Payyeri
13,
P. P. Nesrudheen
6,
S. Prasanth Narayanan
8,
S. S. Prasanth
6,
M. C. Prashantha Krishna
12,
E. S. Praveen
15,
Praveen Velayudhan
14,
Premchand Reghuvaran
5,
Raju Kidoor
12,
R. L. Rathish
16,
R. Roshnath
17,
C. Sashikumar
9,
Satyan Meppayur
9,
A. K. Sivakumar
10,
A. K. Sreedevi
8,
B. Sreekumar
8,
E. R. Sreekumar
18,
P. B. Sumesh
19,
R. Venugopal
14,
Vinod Venugopal
20,
C. K. Vishnudas
21,
Vishnupriyan Kartha
5,
Vivek Puliyeri
6,
Suhel Quader
22,
Abinand Reddy
22,
Abdul Raheem Puthiyeri
9,
K. Abdul Riyas
9,
R. S. Abhijith
8,
Abhijith Surendran
8,
Abhin M. Sunil
18,
Abhinand Chandran
13,
C. Abhirami
18,
Abhirami M. Jayakumar
18,
Abhishek Sebastian Peter
10,
N. V. Afreed Muhammed
22,
Afthab Faisal Katakath
18,
P. Ajai
8,
Aju K. Raju
7,
P. M. Akhil
14,
U. S. Akhil
16,
U. S. Amal
23,
Anamika Menon
24,
Anas Ibinu Ansari
15,
K. S. Aneesh
10,
S. Aneesh
7,
C. Anjana Hari
18,
R. Anjitha
12,
P. N. Anoop Raj
25,
Anu John
11,
Anuradha Varma
5,
S. S. Anushreedha
10,
C. K. Aravind
9,
Arjun Ramachandran
18,
B. Arun
6,
Arun George
15,
Arun P. Gopi
19,
Arun Varghese
5,
Arya Vinod
14,
Ashley Shaji
10,
V. M. Ashok Raj
6,
Ashwin Viswanathan
22,
Aslam Mohammed
9,
A. Aswin
18,
K. S. Aswin
18,
A. Azhar Ali
18,
P. B. Balaji
26,
M. Bibin Paul
16,
J. Chaithra Shree
26,
Chandrasekaran Venkatraman
1,
K. Charutha
12,
Clareena T. Jose
18,
Clince P. Jose
9,
Dalip Singh
18,
Devika Sanghamithra
18,
Digvijay Singh Sikarwar
5,
Divin Murukesh
6,
V. Divin
1,
Fauzia Arief
5,
Jaydev Mandal
22,
P. J. Sarlin
10,
A. Adil Nafar
6,
K. H. Amitha Bachan
27,
V. Rejitha
7,
R. S. Vishnu Dev
16,
B. Elias Rowther
10,
Firosh Raja
18,
Geetha Iyer
1,
Ginu George
5,
T. U. Gireesan
8,
P. K. Girish Mohan
9,
Glen Preetesh Dsouza
12,
G. Govind
10,
P. Greeshma
15,
P. M. Hari Prasad
8,
T. V. Hariharan
9,
A. Harith
10,
C. Harith
12,
B. Hemanth
10,
Ijaas Mohamed
5,
J. Patrick David
5,
P. K. Jain
22,
P. Jameela
15,
G. Jayakrishnan
8,
K. Jishnu
9,
M. O. Jismi
18,
Jithin Johnson
5,
C. Joel Soniya
10,
Jose Rani Babu
18,
Joseph Roy
10,
Jyothish Nelson
8,
M. Jyothi Krishnan
18,
K. Pranav Bhandary
12,
K. M. Jamaludheen
5,
Kavingal Ravi
14,
Karthik Thrikkadeeri
14,
Kausthubh K. Nair
5,
B. S. Kiran
21,
Kiran S. Kumar
10,
D. Kishore Raj
10,
Kishore Kumar Panaganti
22,
M. Krishna Moorthy
14,
R. Krishna Murthy
1,
M. R. Krishnanunni
18,
Latha Prabhakaran
5,
K. K. Lathika
6,
Libin Abraham
7,
G. Hari Narayanan
8,
Madhumita Panigrahi
28,
S. Manav
14,
Manoj Karingamadathil
15,
T. R. Manoj
26,
Manu Thomas
10,
P. P. Manuel
15,
Mebin George Varghese
8,
P. Megha Chandran
12,
M. Mohammad Sulaiman
14,
Mohammed Ashif Madathil
6,
V. K. Mohammed Hirash
9,
K. Mohammed Ramees
10,
M. Sadique Thirunnavaya
6,
A. P. Muhammed Niyas
10,
C. T. Muhasin
6,
Mukundan Kizhakkemadham
5,
Naseerudheen Abdul Azeez
14,
P. V. Nikhil
10,
C. Niranjana
29,
Nisha Mundekad
30,
Nithin Mohan
10,
A. Pavithra
5,
Poornima Viswanathan
9,
P. Pramod
28,
G. Prakash
26,
S. Prasath
26,
Prasoon Prakash
10,
N. Preethi
14,
Rahul Rajeevan
22,
M. Rajaguru
14,
V. Rajarajan
1,
Raju Sankaran
15,
K. Ratheesh
10,
Rayan Pradeep Crasta
12,
Remya Mohan
14,
Renju
19,
Robin C. Koshy
7,
Rohan Rai
12,
Roshin Tom
22,
Sachin Chandran
9,
M. V. Sachinkrishna
18,
M. V. Saeed Anvar Ali
14,
Sajitha Siril
18,
D. D. Samarth Bharadwaj
22,
Samuel George
22,
Sancia Morris
10,
Sandeep Augustine
5,
Sandeep K. Das
5,
Sandie Morris
10,
P. R. Sandra
15,
T. K. Sanuraj
12,
Saurabh Sawant
1,
Savio Morris
10,
K. Selvaganesh
20,
K. Shahil
22,
N. N. Shahina
18,
Shahul Valasy
9,
P. K. Siji
15,
Siju Joseph
7,
R. Sivashankar
15,
Siyad A. Karim
7,
Sreehari K. Mohan
18,
Sreehari M. Pillai
11,
M. Sri Sowmiya
9,
K. T. Srinila
6,
K. S. Subin
15,
V. G. Sujith
10,
Suryamol Sukumaran
10,
M. S. Syamili
18,
Tarun Menon
14,
Tejas Praveen
1,
S. A. Thilak
5,
Tony Antony
31,
U. R Ullas
32,
Vinod Ooralath Sivaji
7,
Vishnu Narayanan
10,
M. Vishnu Sreejith
9,
A. Vivek Chandran
15,
Vivek Sudhakaran
14,
R. Vridhi
15,
Wahiba Irshad Humam
18,
Yadukrishna J. Uchummal
22,
M. A. Yathumon
9
Affiliations
1 KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
2 College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
3 College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India, India
4 Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
5 Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
6 Malappuram Birders, Tirur, Malappuram 676 101, India, India
7 Pathanamthitta Birders, Pathanamthitta 689 645, India, India
8 Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
9 Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
10 WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
11 Kollam Birding Battalion, Kollam 691 010, India, India
12 Kasaragod Birders, Kasaragod 671 121, India, India
13 Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
14 Natural History Society of Palakkad, Palakkad 678 001, India, India
15 Kole Birders Collective, Thrissur 680 555, India, India
16 Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
17 Malabar Awareness and Rescue Centre For Wildlife, Chettipedika, Kannur 670 004, India, India
18 Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
19 Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
20 Young Birders Club, Palakkad 678 001, India, India
21 Hume Centre for Ecology and Wildlife Biology, 4th Cross Rd, Subhash Nagar, Kalpetta, Wayanad 673 121, India, India
22 Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
23 Kollam Birding Battalion, Kollam 691 010, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
24 WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
25 Natural History Society of Palakkad, Palakkad 678 001, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
26 Sálim Ali Nature Forum, Coimbatore 641 108, India, India
27 Western Ghats Hornbill Foundation, Extension Centre, MES Asmabi College, P. Vemballur, Thrissur 680 691, India, India
28 Sálim Ali Nature Forum, Coimbatore 641 108, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
29 Natural History Society of Palakkad, Palakkad 678 001, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
30 Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Malappuram Birders, Tirur, Malappuram 676 101, India, India
31 Pathanamthitta Birders, Pathanamthitta 689 645, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
32 WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Kole Birders Collective, Thrissur 680 555, India, India
1 KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
2 College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
3 College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India, India
4 Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
5 Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
6 Malappuram Birders, Tirur, Malappuram 676 101, India, India
7 Pathanamthitta Birders, Pathanamthitta 689 645, India, India
8 Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
9 Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
10 WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
11 Kollam Birding Battalion, Kollam 691 010, India, India
12 Kasaragod Birders, Kasaragod 671 121, India, India
13 Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
14 Natural History Society of Palakkad, Palakkad 678 001, India, India
15 Kole Birders Collective, Thrissur 680 555, India, India
16 Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
17 Malabar Awareness and Rescue Centre For Wildlife, Chettipedika, Kannur 670 004, India, India
18 Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
19 Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
20 Young Birders Club, Palakkad 678 001, India, India
21 Hume Centre for Ecology and Wildlife Biology, 4th Cross Rd, Subhash Nagar, Kalpetta, Wayanad 673 121, India, India
22 Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
23 Kollam Birding Battalion, Kollam 691 010, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
24 WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
25 Natural History Society of Palakkad, Palakkad 678 001, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
26 Sálim Ali Nature Forum, Coimbatore 641 108, India, India
27 Western Ghats Hornbill Foundation, Extension Centre, MES Asmabi College, P. Vemballur, Thrissur 680 691, India, India
28 Sálim Ali Nature Forum, Coimbatore 641 108, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
29 Natural History Society of Palakkad, Palakkad 678 001, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
30 Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Malappuram Birders, Tirur, Malappuram 676 101, India, India
31 Pathanamthitta Birders, Pathanamthitta 689 645, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
32 WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Kole Birders Collective, Thrissur 680 555, India, India
Citizen-science driven exercises (e.g. bird surveys) and online platforms (e.g. eBird) provide voluminous data on bird occurrence. However, the semi-structured nature of their data collection makes it difficult to compare bird distribution across space and time. Bird atlases are based on standardized surveys and describe the distribution of bird species over a predefined region and have fewer biases, and thus are better suited for use in research. The recently concluded Kerala Bird Atlas (henceforth KBA) is Asia’s largest bird atlas in terms of geographical extent, sampling effort and species coverage. The entire state of Kerala was systematically surveyed twice a year during 2015–20 and over 0.3 million records of 380 species from 25,000 checklists were aggregated. The dataset was filtered and various metrics were estimated. A total of 915 cells were laid out for systematic surveys, of which 888 were surveyed in either or both the seasons – dry season (January–March) and wet season (July–September); 27 cells could not be surveyed in either of the seasons due to logistical constraints. However, this variation in sampling effort had a minimal effect on survey completeness. The slope of the species accumulation curve suggested near-complete species sampling in over 70% of the cells. After eliminating nocturnal and pelagic species, data from 361 species were analysed. Species count was higher in the dry season than in the wet season. Species richness (count) and evenness were higher in the northern and central districts than in the southern districts. High elevation regions of the southern Western Ghats were the largest contiguous areas lacking sufficient sampling. We found that most of the endemics were concentrated in the Western Ghats, but threatened species were as likely to occur along the coasts as in the Ghats. The KBA dataset is a valuable resource for testing various ecological hypotheses and suggesting science-backed conservation measures. KBA model could be replicated for similar atlases in other states or biogeographic regions of India
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- Kerala Bird Atlas 2015–20: features, outcomes and implications of a citizen-science project
Abstract Views: 502 |
PDF Views: 139
Citizen-science driven exercises (e.g. bird surveys) and online platforms (e.g. eBird) provide voluminous data on bird occurrence. However, the semi-structured nature of their data collection makes it difficult to compare bird distribution across space and time. Bird atlases are based on standardized surveys and describe the distribution of bird species over a predefined region and have fewer biases, and thus are better suited for use in research. The recently concluded Kerala Bird Atlas (henceforth KBA) is Asia’s largest bird atlas in terms of geographical extent, sampling effort and species coverage. The entire state of Kerala was systematically surveyed twice a year during 2015–20 and over 0.3 million records of 380 species from 25,000 checklists were aggregated. The dataset was filtered and various metrics were estimated. A total of 915 cells were laid out for systematic surveys, of which 888 were surveyed in either or both the seasons – dry season (January–March) and wet season (July–September); 27 cells could not be surveyed in either of the seasons due to logistical constraints. However, this variation in sampling effort had a minimal effect on survey completeness. The slope of the species accumulation curve suggested near-complete species sampling in over 70% of the cells. After eliminating nocturnal and pelagic species, data from 361 species were analysed. Species count was higher in the dry season than in the wet season. Species richness (count) and evenness were higher in the northern and central districts than in the southern districts. High elevation regions of the southern Western Ghats were the largest contiguous areas lacking sufficient sampling. We found that most of the endemics were concentrated in the Western Ghats, but threatened species were as likely to occur along the coasts as in the Ghats. The KBA dataset is a valuable resource for testing various ecological hypotheses and suggesting science-backed conservation measures. KBA model could be replicated for similar atlases in other states or biogeographic regions of India
DOI: https://doi.org/10.18520/cs%2Fv122%2Fi3%2F298-309
Authors
J. Praveen
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
P. O. Nameer
College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Ashish Jha
College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India, India
College of Climate Change and Environmental Science, Kerala Agricultural University, Thrissur 680 656, India, India
Anish Aravind
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
K. G. Dilip
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Dipu Karuthedathu
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
George Tom
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
Hari Mavelikara
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Harikumar Mannar
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Jafer Palot
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Jaichand Johnson
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
R. Jishnu
Kollam Birding Battalion, Kollam 691 010, India, India
Kollam Birding Battalion, Kollam 691 010, India, India
K. Maxim Rodrigues
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
P. M. Mujeeb
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
L. Namassivayan
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Naveelal Payyeri
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
P. P. Nesrudheen
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
S. Prasanth Narayanan
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
S. S. Prasanth
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
M. C. Prashantha Krishna
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
E. S. Praveen
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
Praveen Velayudhan
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Premchand Reghuvaran
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Raju Kidoor
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
R. L. Rathish
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
R. Roshnath
Malabar Awareness and Rescue Centre For Wildlife, Chettipedika, Kannur 670 004, India, India
Malabar Awareness and Rescue Centre For Wildlife, Chettipedika, Kannur 670 004, India, India
C. Sashikumar
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Satyan Meppayur
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
A. K. Sivakumar
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
A. K. Sreedevi
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
B. Sreekumar
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
E. R. Sreekumar
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
P. B. Sumesh
Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
R. Venugopal
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Vinod Venugopal
Young Birders Club, Palakkad 678 001, India, India
Young Birders Club, Palakkad 678 001, India, India
C. K. Vishnudas
Hume Centre for Ecology and Wildlife Biology, 4th Cross Rd, Subhash Nagar, Kalpetta, Wayanad 673 121, India, India
Hume Centre for Ecology and Wildlife Biology, 4th Cross Rd, Subhash Nagar, Kalpetta, Wayanad 673 121, India, India
Vishnupriyan Kartha
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Vivek Puliyeri
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Suhel Quader
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Abinand Reddy
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Abdul Raheem Puthiyeri
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
K. Abdul Riyas
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
R. S. Abhijith
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Abhijith Surendran
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Abhin M. Sunil
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Abhinand Chandran
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India; Calicut Birders Club, Bellevue Dental Muthappan Complex, Patteri, Kozhikode 673 016, India, India
C. Abhirami
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Abhirami M. Jayakumar
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Abhishek Sebastian Peter
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
N. V. Afreed Muhammed
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Afthab Faisal Katakath
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
P. Ajai
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Aju K. Raju
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
P. M. Akhil
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
U. S. Akhil
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
U. S. Amal
Kollam Birding Battalion, Kollam 691 010, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Kollam Birding Battalion, Kollam 691 010, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Anamika Menon
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Anas Ibinu Ansari
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
K. S. Aneesh
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
S. Aneesh
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
C. Anjana Hari
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
R. Anjitha
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
P. N. Anoop Raj
Natural History Society of Palakkad, Palakkad 678 001, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
Natural History Society of Palakkad, Palakkad 678 001, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
Anu John
Kollam Birding Battalion, Kollam 691 010, India, India
Kollam Birding Battalion, Kollam 691 010, India, India
Anuradha Varma
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
S. S. Anushreedha
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
C. K. Aravind
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Arjun Ramachandran
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
B. Arun
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Arun George
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
Arun P. Gopi
Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
Arun Varghese
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Arya Vinod
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Ashley Shaji
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
V. M. Ashok Raj
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Ashwin Viswanathan
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Aslam Mohammed
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
A. Aswin
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
K. S. Aswin
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
A. Azhar Ali
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
P. B. Balaji
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
M. Bibin Paul
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
J. Chaithra Shree
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Chandrasekaran Venkatraman
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
K. Charutha
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
Clareena T. Jose
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Clince P. Jose
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Dalip Singh
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Devika Sanghamithra
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Digvijay Singh Sikarwar
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Divin Murukesh
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
V. Divin
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
Fauzia Arief
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Jaydev Mandal
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
P. J. Sarlin
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
A. Adil Nafar
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
K. H. Amitha Bachan
Western Ghats Hornbill Foundation, Extension Centre, MES Asmabi College, P. Vemballur, Thrissur 680 691, India, India
Western Ghats Hornbill Foundation, Extension Centre, MES Asmabi College, P. Vemballur, Thrissur 680 691, India, India
V. Rejitha
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
R. S. Vishnu Dev
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
Kerala Veterinary and Animal Sciences University, Pookode, Wayanad 673 576, India, India
B. Elias Rowther
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Firosh Raja
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Geetha Iyer
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
Ginu George
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
T. U. Gireesan
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
P. K. Girish Mohan
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Glen Preetesh Dsouza
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
G. Govind
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
P. Greeshma
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
P. M. Hari Prasad
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
T. V. Hariharan
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
A. Harith
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
C. Harith
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
B. Hemanth
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Ijaas Mohamed
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
J. Patrick David
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
P. K. Jain
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
P. Jameela
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
G. Jayakrishnan
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
K. Jishnu
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
M. O. Jismi
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Jithin Johnson
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
C. Joel Soniya
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Jose Rani Babu
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Joseph Roy
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Jyothish Nelson
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
M. Jyothi Krishnan
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
K. Pranav Bhandary
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
K. M. Jamaludheen
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Kavingal Ravi
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Karthik Thrikkadeeri
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Kausthubh K. Nair
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
B. S. Kiran
Hume Centre for Ecology and Wildlife Biology, 4th Cross Rd, Subhash Nagar, Kalpetta, Wayanad 673 121, India, India
Hume Centre for Ecology and Wildlife Biology, 4th Cross Rd, Subhash Nagar, Kalpetta, Wayanad 673 121, India, India
Kiran S. Kumar
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
D. Kishore Raj
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Kishore Kumar Panaganti
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
M. Krishna Moorthy
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
R. Krishna Murthy
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
M. R. Krishnanunni
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Latha Prabhakaran
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
K. K. Lathika
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Libin Abraham
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
G. Hari Narayanan
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Madhumita Panigrahi
Sálim Ali Nature Forum, Coimbatore 641 108, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
Sálim Ali Nature Forum, Coimbatore 641 108, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
S. Manav
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Manoj Karingamadathil
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
T. R. Manoj
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Manu Thomas
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
P. P. Manuel
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
Mebin George Varghese
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
P. Megha Chandran
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
M. Mohammad Sulaiman
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Mohammed Ashif Madathil
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
V. K. Mohammed Hirash
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
K. Mohammed Ramees
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
M. Sadique Thirunnavaya
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
A. P. Muhammed Niyas
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
C. T. Muhasin
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Mukundan Kizhakkemadham
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Naseerudheen Abdul Azeez
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
P. V. Nikhil
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
C. Niranjana
Natural History Society of Palakkad, Palakkad 678 001, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Natural History Society of Palakkad, Palakkad 678 001, India; Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Nisha Mundekad
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Malappuram Birders, Tirur, Malappuram 676 101, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India; Malappuram Birders, Tirur, Malappuram 676 101, India, India
Nithin Mohan
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
A. Pavithra
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Poornima Viswanathan
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
P. Pramod
Sálim Ali Nature Forum, Coimbatore 641 108, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
Sálim Ali Nature Forum, Coimbatore 641 108, India; Sálim Ali Centre for Ornithology and Natural History, Anaikatty (Post), Coimbatore 641 108, India, India
G. Prakash
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
S. Prasath
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Sálim Ali Nature Forum, Coimbatore 641 108, India, India
Prasoon Prakash
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
N. Preethi
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Rahul Rajeevan
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
M. Rajaguru
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
V. Rajarajan
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
Raju Sankaran
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
K. Ratheesh
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Rayan Pradeep Crasta
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
Remya Mohan
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Renju
Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
Birders Ezhupunna, Puthiyaparambil (H), Ezhupunna South P. O, Cherthala. Alappuzha 688 537, India, India
Robin C. Koshy
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Rohan Rai
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
Roshin Tom
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Sachin Chandran
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
M. V. Sachinkrishna
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
M. V. Saeed Anvar Ali
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Sajitha Siril
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
D. D. Samarth Bharadwaj
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Samuel George
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Sancia Morris
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Sandeep Augustine
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Sandeep K. Das
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Sandie Morris
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
P. R. Sandra
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
T. K. Sanuraj
Kasaragod Birders, Kasaragod 671 121, India, India
Kasaragod Birders, Kasaragod 671 121, India, India
Saurabh Sawant
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
Savio Morris
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
K. Selvaganesh
Young Birders Club, Palakkad 678 001, India, India
Young Birders Club, Palakkad 678 001, India, India
K. Shahil
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
N. N. Shahina
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Shahul Valasy
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
P. K. Siji
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
Siju Joseph
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
R. Sivashankar
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
Siyad A. Karim
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Sreehari K. Mohan
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Sreehari M. Pillai
Kollam Birding Battalion, Kollam 691 010, India, India
Kollam Birding Battalion, Kollam 691 010, India, India
M. Sri Sowmiya
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
K. T. Srinila
Malappuram Birders, Tirur, Malappuram 676 101, India, India
Malappuram Birders, Tirur, Malappuram 676 101, India, India
K. S. Subin
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
V. G. Sujith
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
Suryamol Sukumaran
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
M. S. Syamili
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Tarun Menon
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
Tejas Praveen
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
KeralaBirder, Ambadi, Kunnathurmedu, Palakkad 678 013, India, India
S. A. Thilak
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Cochin Natural History Society, Revathi Bhavan, Edathala P. O., Aluva 683 561, India, India
Tony Antony
Pathanamthitta Birders, Pathanamthitta 689 645, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India; Kottayam Nature Society, Sri Nilayam, Near Union Club, Kottayam 686 001, India, India
U. R Ullas
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Kole Birders Collective, Thrissur 680 555, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India; Kole Birders Collective, Thrissur 680 555, India, India
Vinod Ooralath Sivaji
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Pathanamthitta Birders, Pathanamthitta 689 645, India, India
Vishnu Narayanan
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
WWF-India, CO Madhavan Road, Ayyankali Nagar, Kunnukuzhy, Thiruvananthapuram 695 035, India, India
M. Vishnu Sreejith
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
A. Vivek Chandran
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
Vivek Sudhakaran
Natural History Society of Palakkad, Palakkad 678 001, India, India
Natural History Society of Palakkad, Palakkad 678 001, India, India
R. Vridhi
Kole Birders Collective, Thrissur 680 555, India, India
Kole Birders Collective, Thrissur 680 555, India, India
Wahiba Irshad Humam
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Department of Wildlife Science, College of Forestry, Kerala Agricultural University, Thrissur 680 656, India, India
Yadukrishna J. Uchummal
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
Nature Conservation Foundation, 1311, ‘Amritha’, 12th Main, Vijayanagar 1st Stage, Mysuru 570 002, India, India
M. A. Yathumon
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Malabar Natural History Society, Susheela Mandir, B.G. Road, Nadakkavu P.O., Kozhikode, 673 011, India, India
Abstract
Citizen-science driven exercises (e.g. bird surveys) and online platforms (e.g. eBird) provide voluminous data on bird occurrence. However, the semi-structured nature of their data collection makes it difficult to compare bird distribution across space and time. Bird atlases are based on standardized surveys and describe the distribution of bird species over a predefined region and have fewer biases, and thus are better suited for use in research. The recently concluded Kerala Bird Atlas (henceforth KBA) is Asia’s largest bird atlas in terms of geographical extent, sampling effort and species coverage. The entire state of Kerala was systematically surveyed twice a year during 2015–20 and over 0.3 million records of 380 species from 25,000 checklists were aggregated. The dataset was filtered and various metrics were estimated. A total of 915 cells were laid out for systematic surveys, of which 888 were surveyed in either or both the seasons – dry season (January–March) and wet season (July–September); 27 cells could not be surveyed in either of the seasons due to logistical constraints. However, this variation in sampling effort had a minimal effect on survey completeness. The slope of the species accumulation curve suggested near-complete species sampling in over 70% of the cells. After eliminating nocturnal and pelagic species, data from 361 species were analysed. Species count was higher in the dry season than in the wet season. Species richness (count) and evenness were higher in the northern and central districts than in the southern districts. High elevation regions of the southern Western Ghats were the largest contiguous areas lacking sufficient sampling. We found that most of the endemics were concentrated in the Western Ghats, but threatened species were as likely to occur along the coasts as in the Ghats. The KBA dataset is a valuable resource for testing various ecological hypotheses and suggesting science-backed conservation measures. KBA model could be replicated for similar atlases in other states or biogeographic regions of India
DOI: https://doi.org/10.18520/cs%2Fv122%2Fi3%2F298-309