The Rufous-vented Chachalaca has brown to olive plumage and a bare, reddish-brown throat. It moves in small flocks, active in the morning and evening, and eats fruit and leaves.
Adults have brown to olive plumage, a bare rufous throat, and dark blue skin around the eyes.
Rufous-vented Chachalacas are called Cocrico on Tobago. They use woodland edges, secondary forest and gardens, eating plant foods and sometimes dust-bathing on the ground.
At dawn and dusk, pairs may duet, with a lower male note answered by a higher female call. Several nearby pairs can create a noisy chorus.
Pairs and families with young can join flocks. Softer calls accompany feeding and communication among nearby birds.
IUCN Red List · Least Concern · Global
The 2023 global assessment lists Least Concern with a stable trend. Hunting for food is recorded, and the species occurs in protected areas. Habitat and local use remain relevant to conservation.