Richard Grimmett & Tim Inskipp 
Field Guide to the Birds of Bangladesh [PDF ebook] 

Birds of Bangladesh is the definitive field guide to the rich avifauna of this fascinating and beautiful country.
Despite being one of the most densely populated countries on Earth, Bangladesh boasts a diverse range of natural habitats, including forests, wetlands and grasslands, and supports a wide range of species including a number of sought after regional specialities.
This book covers all 705 species that occur in Bangladesh, including vagrants. It includes 103 superb colour plates, with text on facing pages for quick and easy reference, as well as concise species accounts describe key identification features, voice, habitats, distribution and status.