Our thanks to the following persons and organisations who have generously contributed photographs and information to this website:
Adesh Shivkar; Allan Michaud; Amar-Singh HSS; Dr. Amar Singh; Andy & Gill Swash; Arka Sarkar; Atul Sathe; cajuca (Mark Chua);
Chris Bowden; Cincinnati Zoo & Botanical Garden; Debapratim Saha; Ding Li Yong;
Fletcher & Baylis; Girish Prahalad; Garima Bhatia; Hung Do Manh; James Eaton / Birdtour Asia; John & Jemi; Jonathan Beilby;
Kshounish Sankar Ray; Mark Andrews; Mark Curley; Michael Patrick Marklevitz; Nelson Khor; Pongpol Adirex; Pawel Waclawik; Ramit Singal; Richard Hearn; Rob Hutchinson; Robert Tizard; Robin Banerjee's Natural History Museum, Golaghat; Rohan Kamath; Ron Hoff; Smithsonian Institution National Museum of Natural History; Sudipto Roy; Sujan Chatterjee; Swiss Winnasis; Taej Mundkur; Thet Zaw Naing; Tim Loseby; Tom Beeke; Ulrich Weber; Vasanthan Panchavarnam; Veer Vaibhav Mishra; Vijay Anand Ismavel; Vijay Cavale; Yathin Krishnappa.