Rondon’s marmoset[1] (Mico rondoni), also called the Rondônia marmoset, is a small species of monkey in the Callitrichidae family found in the southwestern Amazon of Brazil.
- It is native to the state of Rondônia. Its range borders the Madeira River, the Mamore River, the Serra dos Pacaás Novos, the Ji-Paraná River, and possibly Bolivia.
- Rondon’s marmoset is part of the Silvery marmoset (M. argentatus) group within the Mico genus. Like others of its group, its fur is usually silver-gray.
- It has dark fur over much of its head, forehead, and sides, contrasting with a whitish patch in the center of its forehead.
- The fur on their paws turns reddish-brown on the calves and almost black on the ankles. Its tail is primarily black.
- It weighs about 330 grams (12 ounces) on average. The length, excluding the tail, averages 22 centimeters (8.7 in), and the tail averages 31 centimeters (12 in).
