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Three-way-hybrid American Wood Warbler Found in Pennsylvania

November 10, 2018

Please note that this is not an April Fool’s Day report.

I’ll say only than the hybrid’s mother seems to be a “Brewsters” Warbler, which is itself a hybrid between Blue-winged (Vermivora cyanoptera) and Golden-winged (Vermivora chrysoptera) Warblers. The father is a third species of warbler. Get out your field guide and read the fascinating article, including many photos, by GrrlScientist.

[Chuck Almdale]

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