Thanks for the query.
The Hoatzin, also known as the Stinkbird eats leaves of trees and will eat less fruits and flowers of the plants that grow in the marshy and riverine habitats where it lives.\
Source - https://en.wikipedia.org/wiki/Hoatzin
What is the staple food of a Gelada baboon?
A. Big-headed mole rat B. The mountain nyala C. Grass and other vegetable matter D. Harenna shrew