Silvery Marmoset
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| Callithrix argentata (Linnaeus, 1766) |
The Silvery Marmoset (Callithrix argentata) is a New World monkey that lives in Brazil, south and east of the Amazon basin. Compared to other marmosets, they have a very isolated habitat.
The fur of the Silvery Marmoset is colored whitish silver-grey except for a dark tail. Remarkable are its naked, flesh-colored ears which stand out from the skin. They reach a size of 18 to 28 cm and weigh from 300 to 400 g.
Silvery Marmosets are diurnal and arboreal, using their claws to climb trees. Originally rain forest inhabitants, plantations have caused them to expanded them their range. They spend the night in tree hollows or in very close vegetation. They live together in small groups and mark their territory with scent glands, driving out intruders by shouting or by facial expressions (lowered brows and guarded lips).
The diet of the Silvery Marmosets predominantly consists of tree sap. To a lesser extent, they also eat bird eggs, fruits, insects, and small vertebrates.
After a 145 day gestation period, the female bears two (or rarely three) offspring. As is the case for many hapalines, the father and the other group members take part with the raising of the offspring. Within six months the young are weaned, with full maturity coming at about two years of age.
[edit] References
- Groves, Colin (16 November 2005). Wilson, D. E., and Reeder, D. M. (eds): Mammal Species of the World, 3rd edition, Johns Hopkins University Press, 130. ISBN 0-801-88221-4.
