National Audubon Society Birds of North America: A Guide Review
10,000 Birds
JUNE 1, 2021
Interestingly, Chestnut-collared Longspur does appear under its brand-new official name, Thick-billed Longspur, though the description underneath uses the old name. Bald Eagle, for example, is still said to be “formerly more widespread” though the range map shows expansion. These are all informative and current.
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