What pigment defines the Hooded Oriole male's hood, contrasting with the Orchard Oriole male's dark areas?

Answer

Solid black

The male Hooded Oriole is identified by a brilliant, clear orange-yellow body contrasting sharply with a prominent, solid black hood covering the head, throat, and upper breast.

What pigment defines the Hooded Oriole male's hood, contrasting with the Orchard Oriole male's dark areas?
birdidentificationorioleOrchard Oriolehooded oriole