portrait of a cotton-top tamarin saguinus oedipus a critically endangered species from the tropical rainforests

america american animal ape are black bright brown captivity closeup colombia cotton cottontop critically cute ear endangered eyes face fauna forest forests form funny fur hair hairy headed little looking mammal monkey monogamous nature oedipus one only partner portrait primate primates rainforests rare relationships saguinus small south species tail tamarin tamarins territorial tiny top tropical very white wild wildlife zoo