What key feature distinguishes the mature male Hooded Oriole's head pattern from the Bullock's Oriole?

Answer

It has a solid black hood extending down the back

The mature male Hooded Oriole is identifiable by a solid black hood that contrasts sharply with its fiery orange body and extends down the back, unlike the Bullock's Oriole which has more white on the face.

What key feature distinguishes the mature male Hooded Oriole's head pattern from the Bullock's Oriole?
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