A Guide to Some Possible Bird Species Splits in Costa Rica
10,000 Birds
MARCH 21, 2015
Black-faced Antthrush : Just as the Maya Antthrush sounds different from the birds in Costa Rica, so do the birds in Amazonia, Trinidad and Tobago, and the Guyanas. The subspecies that occurs in Costa Rica is only found in middle-elevation forests in Costa Rica and Panama and lacks the white line behind the eye shown by South American birds.
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