Species Name: Papio cynocephalus
The yellow baboon (Papio cynocephalus) is another baboon species in the group of Old World monkeys. They resemble the Chacma baboon but are slightly smaller and have a less elongated snout. Yellow baboons also have white fur on internal surfaces, such as their cheeks and limbs, similar to the color of the human forearm.
Species Name: Alouatta pigra
The Yucatan black howler, also called the Guatemalan black howler or Central American black howler, is a New-World monkey native to Central America. The Yucatan black howler monkey is the largest species of howler monkey and among the largest monkeys in the New-World.