Gulls: A Guide to Identification
Grant, Peter J. / Grant, P. J.
This paperback reprint of the second edition of Peter Grant's guide to the identification of gulls, brings this classic of modern field ornithology to an even wider audience than ever before. Long a favorite reference for the avid birder, it unlocks the secrets of the complex details of gull plumage, so variable in the successive age classes of the different species. Now it is possible to get to grips with those previously unidentifiable juven...