A Guide to Some Possible Bird Species Splits in Costa Rica
10,000 Birds
MARCH 21, 2015
This bunch of possible Costa Rican crypto birds can be grouped into four main categories: (1). Bird species that require further research. Based on even more recent recordings, it seems that the birds in Costa Rica can probably be placed in the Mangrove Rail group. A Black-faced Antthrush from the Amazon.
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