Kevin Schafer / Golden Lion Tamarin (Leontopithecus rosalia) male with baby, Poco das Antas Reserve, Atlantic Forest, southeast Brazil

Luciano Candisani / Golden Lion Tamarin (Leontopithecus rosalia) portrait, Atlantic Forest, Brazil

Anup Shah / Portrait of Golden headed lion tamarin {Leontopithecus chrysomelas} endangered species native to Brazil

Pete Oxford / Golden headed lion tamarin {Leontopithecus chrysomelas} occurs Bahia, Brazil

Rod Williams / Portrait of Golden lion tamarin {Leontopithecus rosalia} occurs Brazil, Rio de Janeiro State

Anup Shah / Golden lion tamarin {Liontideus rasalia}

Rod Williams / Golden lion tamarin {Leontopithecus rosalia} from Brazil, critically endangered species

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

Suzi Eszterhas / Golden Lion Tamarin (Leontopithecus rosalia) pair, 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 / Golden Lion Tamarin (Leontopithecus rosalia) in defensive display, Atlantic Forest, Brazil