This book represents the definitive photographic guide to gulls, by the world's greatest authority on gull identification, Klaus Malling Olsen. This outstanding new guide covers all of the world's gull species, tackling some of the most notoriously difficult identification and t…
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A simpler and more user-friendly visual approach to gull identificationThis unique photographic field guide to North America's gulls provides a comparative approach to identification that concentrates on the size, structure, and basic plumage features of gulls--gone are the ofte…
A simpler and more user-friendly visual approach to gull identification This unique photographic field guide to North America's gulls provides a comparative approach to identification that concentrates on the size, structure, and basic plumage features of gulls--gone are the oft…
