The Rufous Mourner uses the canopy and edges of humid forest in Costa Rica. Adults are brown to rufous, and may be seen alone, in pairs, or in family groups.
Adults are cinnamon to rufous above, with a brighter rufous tail. The underparts are light cinnamon to tawny, with the breast sometimes darker.
It uses the canopy and edges of humid forest, nearby older secondary forest, and tree plantations. It occurs alone, in pairs, or in family groups and sometimes joins mixed-species flocks.
The legs are grey.
An extinction-risk assessment has not been added yet.