The book about Indian Grey Hornbills Ocyceros birostris gives an account of the research carried out by the author for his doctoral Thesis about hornbills, sans

Introducing a major new series... Bird Families of the World Editors: Christopher Perrins, Walter J. Bock, Jiro Kikkawa Providing the most comprehensive and up-

Hornbills are among the world’s most distinct birds. Easily recognized by their oversized beaks adorned with large casques, they range from Africa to India an

This is the only comprehensive photographic field guide to the birds of the entire Indian subcontinent. Every distinct species and subspecies—some 1,375 in al