Prothonotary warbler

May 16, 2019, Rondeau Provincial Park, Ontario, Canada.

A wee gem of a warbler, with a mouthful of nesting material.
Protonotaria citrea
For Prothonotary Warblers it pays to be bright. Males that are brighter yellow gain access to better nest sites than less colorful males, according to a study conducted in Louisiana.


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