The Crossley ID Guide: Britain & Ireland — A Review of the Book
10,000 Birds
DECEMBER 3, 2013
Which, when you do the math, means that the guide covers all resident and migrant Breeders, birds that “Occur Year Round”, regular migrants, and then some. The answer, based on a comparison of the accounts for Common Merganser/Goosander and Red-breasted Merganser, is yes.
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