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A Guide to Some Possible Bird Species Splits in Costa Rica

10,000 Birds

The same can be said about the population in Colombia and Ecuador so this could end up being a future, three-way split. Bird species that live in both Costa Rica and South America but might be separate species : White Hawk : Since the 2009 paper by Amaral, Sheldon, et al. Orange-billed Sparrow song from the Caribbean slope.