White-breasted Nuthatch is four species, study says
10,000 Birds
APRIL 12, 2012
The family has representatives throughout the forests North America, Eurasia (including North Africa), and Indomalaya. In North America, we have, traditionally at least, four species, the most familiar of which is the White-breasted Nuthatch ( Sitta carolinensis ). In 2007, Garth M. What should we call them?
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