The fur of the Common Marmoset is grey. The most distinguishing characteristic is the white tufts of hair which surround the ears that develop with age, which lend it another common name, the Cotton Eared Marmoset. A white mark is on the forehead and the muzzle is hairless.They are born with a pale face that slowly darkens as this primate gets older. The long tail is a striped grey-white. The Common Marmoset adult size ranges from to , they weigh approximately and there is a lack of sexual dimorphism between the male and females.
The longevity in captivity has dramatically reduced over the past 20 years. Click here to read more.
IUCN Rating - Least concern
CITES Rating - Appendix II