Common marmosets are New World primates. Their original range was limited to north eastern Brazil, but habitat destruction in that area is widespread. Wild populations of the common marmoset are now located in
Common marmosets can be found around the edges of the forest as opposed to deep within it. They live in many forest types, including plantations. (Parker)
The common marmoset has a body length of about 12 – 15 cm, with a tail length of 29.5 – 35 cm. Distinguishing characteristics of common marmosets include white ear tufts, and a white blaze on the forehead. Their head fur is usually dark brown, while their back fur is a greyish brown color with light transverse striping. They also have very pronounced transverse tail stripes.