Definitions:

1. A South American short-tailed monkey, characterized by their distinctive hairless, reddish faces and long bushy tails. NOUN
   • Deforeestation in the Amazon threatens the habitat of many primates, including the Cacajao species.
2. The scientific name for a genus of monkeys, native to the Amazon rainforest in South America and known for their striking appearance. NOUN
   • Researchers observed a group of Cacajao swinging through the flooded forests of the Amazon.

Synonyms:

• uakaris