The Red-and-black Grosbeak shows a marked plumage difference between the sexes: males are red and black, while females are mainly yellow. It occupies the lower and middle layers of lowland forest in northeastern South America.
Males are red and black, while females are especially yellow on the back. The proposal also notes the species' relatively large bill when discussing its sexually different plumage.
It uses the lower and middle layers of lowland forest, and at least some individuals join mixed-species flocks.
An extinction-risk assessment has not been added yet.