What happens in a forest doesn’t always stay in the forest…

So, a male scarlet tanager flies into a forest where he meets an irresistible rose-breasted grosbeak. They share some tasty insects, and the rest is history. Or is it? What happens in a forest, doesn’t always stay in a forest. In fact, this encounter resulted in a hybrid: This male bird, found in Pennsylvania, is the hybrid offspring of a male scarlet tanager (Piranga olivacea) and a female rose-breasted grosbeak […]

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