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The Sibley Guide to Birds, Second Edition: A Review of an Iconic Guide in a New Edition

10,000 Birds

(The phrase is also used in the Stokes Field Guide to the Birds of North America and The Shorebird Guide by O’Brien, Crossley, and Karlson, so it hasn’t been totally abandoned.). They are a wonderful way of expanding (or reinforcing) birders’ identification knowledge base. Again, access is important.