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). Based on even more recent recordings, it seems that the birds in Costa Rica can probably be placed in the Mangrove Rail group. Two of those vocal groups are shown by birds in Costa Rica and neither of those are heard in South America.
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