The Sibley Guide to Birds, Second Edition: A Review of an Iconic Guide in a New Edition
10,000 Birds
APRIL 1, 2014
(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.). In a huge improvement, Sibley Two includes page references for each species (see Falcons introductory page above).
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