Uakari

Uakari is the common name for the New World monkeys of the genus Cacajao. Both the English and scientific names probably came from indigenous languages.Barnett A.A. 2004. The meanings of Cacajao and Uacari: Folk Etymology in Neotropical Primate Taxonomy. Neotropical Primates 12(3): 147-152 They live in South American rainforests. When excited or upset, their red faces become even redder.

 References 

Category:New World monkeys
Category:Mammals of South America