Adult males, females other than the mother, and older offspring participate in carrying infants. Like other callitrichines, marmosets are characterized by a high degree of cooperative care of the young and some food sharing and tolerated theft. In most species, fraternal twins are usually born, but triplets are not unknown. Their mating systems are highly variable and can include monogamy, polygyny, and polyandry. Marmosets live in family groups of three to 15, consisting of one or two breeding females, an unrelated male, their offspring, and occasionally extended family members and unrelated individuals. They have long lower incisors, which allow them to chew holes in tree trunks and branches to harvest the gum inside some species are specialised feeders on gum. Marmosets are highly active, living in the upper canopy of forest trees, and feeding on insects, fruit, leaves, tack, sap, and gum.
They are sometimes kept as pets, though they have specific dietary and habitat needs that require consideration. They have also been occasionally spotted in Central America and southern Mexico. Marmosets are native to South America and have been found in Bolivia, Brazil, Colombia, Ecuador, Paraguay, and Peru. Their body temperature is unusually variable, changing by up to 4☌ (7☏) in a day. They lack wisdom teeth, and their brain layout seems to be relatively primitive. Relative to other monkeys, they show some apparently primitive features they have claws rather than nails, and tactile hairs on their wrists. Most marmosets are about 20 cm (8 in) long. The term "marmoset" is also used in reference to Goeldi's marmoset, Callimico goeldii, which is closely related. All four genera are part of the biological family Callitrichidae. The marmosets ( / ˈ m ɑːr m ə ˌ z ɛ t s, - ˌ s ɛ t s/), also known as zaris or sagoin, are twenty-two New World monkey species of the genera Callithrix, Cebuella, Callibella, and Mico. Leontopithecus Lesson, 1840 (lion tamarins).Mico Lesson, 1840 (Amazonian marmosets)Ĭladistically included but traditionally excluded taxa.
Callithrix Erxleben, 1777 (Atlantic marmosets).Callimico Miranda-Ribeiro, 1922 (Goeldi's marmoset).van Roosmalen, 2003 (Roosmalens' dwarf marmoset) Marmosets Ĭommon marmoset ( Callithrix jacchus) at Tibau do Sul, Rio Grande do Norte Not to be confused with Marmot or Marmozets.
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