Suzi Eszterhas / Golden Lion Tamarin (Leontopithecus rosalia), Atlantic Forest, Brazil

Suzi Eszterhas / Golden Lion Tamarin (Leontopithecus rosalia), Atlantic Forest, Brazil

Suzi Eszterhas / Golden Lion Tamarin (Leontopithecus rosalia), Atlantic Forest, Brazil

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), three climbing tree. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult with two week old baby on back. Northern Colombia.

Thomas Marent / Cotton-top Tamarin (Saguinus oedipus) with red pollen after feeding on flower nectar, Tayrona National Natural Park, Colombia

Edwin Giesbers / Golden lion tamarin (Leontopithecus rosalia) captive, occurs in the Atlantic Rainforest of Brazil. Critically endangered.

Thomas Marent / Saddle-back Tamarin (Saguinus fuscicollis) mother with young, Tambopata-Candamo Nature Reserve, Peru

Thomas Marent / Emperor Tamarin (Saguinus imperator), Manu National Park, Peru

Thomas Marent / Black-faced Lion Tamarin (Leontopithecus caissara), Superagui National Park, Atlantic Forest, Brazil

Dave Watts / Golden lion tamarin (Leontopithecus rosalia rosalia) captive in zoo. Occurs in Brazil.

Juan Carlos Munoz / Golden-headed lion tamarin (Leontopithecus chrysomelas) captive portrait, Apenheul Park, Netherlands.