Physical Characteristics Squirrel monkeys have a slender build with a short greyish dense coat. The ears, throat, head, back and legs are yellow to grey-green and the other parts are yellow to white. The face is white. The squirrel monkey has a tail that often curls over its shoulder when it is resting.
Squirrel monkeys have nails instead of claws.
The length of its body is nine to nineteen inches. Its tail is about fourteen to nineteen inches long. The habitat of a squirrel monkey is in the northern part of South America to Peru, Bolivia, Paraguay, and Brazil. There are squirrel monkeys also in Costa Rica and Panama in Central America. The monkey lives in parts of virgin and secondary forests and in cultivated areas, usually along rivers and streams.