A Guide to Some Possible Bird Species Splits in Costa Rica
10,000 Birds
MARCH 21, 2015
Bird species that require further research. Nutting’s Flycatcher : The fuzzy issue of the already tough to identify Nutting’s Flycatcher was brought to the attention of birders in 2013 by way of a proposal submitted to the AOU by Steve N. Bird species that require further research and for which we need recordings.
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