The Maroon Oriole lives in moist deciduous and evergreen forests. The nominate male is black and maroon, while the female has a grey back and a pale, streaked belly.
The nominate male has a black head, mantle, and upper breast, with maroon underparts and tail, a yellow iris, and grey bill and legs. The nominate female has a dark grey back and a pale grey belly with heavy blackish streaks.
It lives in moist deciduous and evergreen forests. It eats fruit, especially wild figs and berries, as well as invertebrates such as caterpillars and nectar. It builds a deep cup of woven fibres and grass in a high branch fork, and both adults raise the young.
An extinction-risk assessment has not been added yet.