Author: Derek Onley & Paul Scofield | 2007 | Paperback | 240 pages
A comprehensive guide to 137 species of pelagic seabirds, with subspecies and phases fully illustrated. Concise information opposite plates is designed for use in the field, with tips for identification at sea, at close range and over distance. Confusion species included on plates to assist accurate identification. Detailed species accounts include colour distribution maps for every species. Full treatment of recently rediscovered and rarely seen species.
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