Gulls - A Guide to Identification (Electronic book text)

This second edition of Peter Grants guide has been extensively revised and has been reset throughout. Importantly, a further eight species of gulls occurring on the west coasts of Canada and the USA have been added.The book now covers 31 species and has been increased in length from 280 to 352 pages. More than 280 new photographs have been added or substituted, bringing the total to 544, including 79 photographs for the eight North American additional species.