A White-Faced Chapuchin Monkey is a handsome little fellow, but has a very nasty disposition. [Costa Rica].
Only his Howler Monkey girlfriend would think he's handsome! They get their name from their early morning howling. I remember my wife saying, after we returned home, how much she missed waking up to their calling. [Costa Rica].
A Howler Monkey's portrait: he was howling (calling) when the picture was taken. His mouth is full of the fruit he has been eating. [Costa Rica].
The two are a pair of Squirrel Monkeys, which are the smallest of the Costa Rican primates---and the most acrobatic. We watched them cover large distances by catapulting themselves on tree-branches, of contiguous trees, from one tree to an another, as they moved through the forest to their destination. [Costa Rica].
A Squirrel Monkey, on a little branch, is a very small and very agile creature. I have watched them walk along a thin telephone wire as though it were a stout branch. [Costa Rica].