Callimico goeldii
Squirrel-like and marmoset-sized, the rare Goeldi's monkey seems to occupy an anatomically intermediate place between the Callitrichidae and the Cebidae. The Goeldis monkey is about 10 to 13 inches and weighs about 1 pound. Their long silky coat is black or blackish-brown with a bobbed mane around the head.
