by Klaus Malling Olsen
Frank Lambert’s review of this “excellent book.”
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by Klaus Malling Olsen
A photo-filled reference guide for those who need help identifying these birds (that is, all of us).
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Gulls of the World: A Photographic Guide by Klaus Malling Olsen From Princeton University Press: With more than 50 gull species in the world, this family of seabirds poses some of the greatest field identification challenges of any bird group: age-related plumage changes, extensive variations within species, frequent hybridization, and complex distribution. Gulls of the […]
by Klaus Malling Olsen and Hans Larsson
I wish every family ID guide was as good as this one! If you can find one at a good price, jump on it!
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