Gulls of the World : A Photographic Guide (Hardcover, Deckle Edge)

Acknowledgements Introduction: - Geographical area - Sequence of species - Subspecies - General information on ageing of gulls - Ages and moult - Moult differences in different geographical areas - Some problems in worn, moulting and diseased birds - Colour abnormalities and oil staining - Oiling - Some notes on colour differences, light effects and bare part coloration - Judging size and jizz - the first steps to field identification - Judging photos - Hybrid gulls Introduction to the species accounts Topography The Species Accounts (1-61)