Mr Sharad Apte, an ornithologist, has recorded bird calls of birds in the Western Ghats with sophisticated equipments. He has spent 20 years of leisure time and resources studying birds and bird songs and has spent almost 10 years recording them .
Bird’s song and call are roughly classified; by their purpose; such as breeding songs and calls, alarm call, rising and retiring call as well as calls for communications etc. These are accompanied by colorful photographs of each bird enabling viewers to
listen to bird songs along with the pictures. You will also enjoy the expert comments on seasonal behavior of the birds and the purpose behind each call.
Visit the following link for more information about his work
http://www.birdcalls.info/