Large gray and green hermit of understory rainforest. Gray below, green above with gray rump and white long central tail feathers. Fairly long, slightly downcurved bill, and prominent white throat and moustache. Sexes similar. Similar to Great-billed Hermit, which is more tawny brown overall (not gray), and has a red or orange lower mandible (not yellow). Found in a variety of lowland rainforest habitats; most common around forest edges, along rivers, and around heliconias.