The male wears a black hood around a bright yellow face. Young males only get their hood at about 9 to 12 months old.

Little Birds of the Americas · day 5 of 7
Males get their hood at about 9 to 12 months; before that they look like females.
A common mnemonic for its song is 'The red, the red T-shirt'.
The repeat mode attracts a mate; the mixed mode seems to deal with neighbours.
Males prefer forests in winter, while females take up shrubby areas.
It nests in gaps in heavily forested areas, away from the edge.
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