Young tamarins are cared for primarily by the father and turned over to the mother only to nurse, however the entire group helps with the care of the young. The gestation period is 140–170 days and mothers typically give birth to two offspring. Only one female in the group will breed during breeding season with the other females suppressing the instinct. It lives in cooperative groups of 4 to 15 members with little competition within group even between breeding males. Its life expectancy is approximately 10 years in the wild and 16 years in captivity. The red-handed tamarin’s body measures 20.5–28 centimetres (8.1–11.0 in) including the tail it measures 31–44 centimetres (12–17 in). A population of tamarins south of the Amazon River that lack the contrasting feet and hands was previously believed to be a sub-population of red-handed tamarins but is now treated as a separate species, the black tamarin. It is native to wooded areas north of the Amazon River in Brazil, Guyana, French Guiana, Suriname, and possibly Venezuela. The red-handed tamarin (Saguinus midas), also known as the golden-handed tamarin or Midas tamarin, is a New World monkey named for the contrasting reddish-orange hair on its feet and hands. It is currently classified as critically endangered and is one of the rarest primates in the world with only 6,000 individuals left in the wild. Now the species is at risk due to large-scale habitat destruction, as the lowland forest in northwestern Colombia where the cotton-top tamarin is found has been reduced to five percent of its previous area. It is thought that up to 40,000 cotton-top tamarins were caught and exported for use in biomedical research before 1976 when CITES gave them the highest level of protection and all international trade was banned. Communication between cotton-top tamarins is sophisticated and shows evidence of grammatical structure, a language feature that must be acquired. These tamarins have been extensively studied for their high level of cooperative care, as well as altruistic and spiteful behaviors. The female normally gives birth to twins and uses pheromones to prevent other females in the group from breeding. In particular, groups form a clear dominance hierarchy where only dominant pairs breed. The cotton-top tamarin displays a wide variety of social behaviors. Its diet includes insects and plant exudates and it is an important seed disperser in the tropical ecosystem. The species is found in tropical forest edges and secondary forests in northwestern Colombia where it is arboreal and diurnal. One of the smallest primates, the cotton-top tamarin is easily recognized by the long white sagittal crest extending from its forehead to its shoulders. The cotton-top tamarin (Saguinus oedipus) is a small New World monkey weighing less than 0.5 kg (1.1 lb). White-rumped moustached tamarin, Saguinus mystax pluto.Spix’s moustached tamarin, Saguinus mystax mystax.There are two subspecies of the moustached tamarin: Its diet consists mainly of fruits, tree gum and insects. It is black with a white moustache, white nose, and brownish back. The white moustached tamarin or Spix’s moustached tamarin (Saguinus mystax) is a tamarin found in tropical forests in Brazil and Peru. Note – (Prices subject to change) White-mustached Tamarin

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