A Guide to Some Possible Bird Species Splits in Costa Rica
10,000 Birds
MARCH 21, 2015
Bird species that require further research. Black-faced Antthrush : According to the IOC list, this one is already split from the Mayan Antthrush of southern Mexico and northern Central America. The same can be said about the population in Colombia and Ecuador so this could end up being a future, three-way split.
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