Mura's saddleback tamarin (''Leontocebus fuscicollis mura'') is a subspecies of monkey that was first seen by scientists in 2007 in the Brazilian state of Amazonas. The monkey, which is mostly gray and brown, weighs , is tall, and has a tail. According to the discoverers of this new subspecies, Mura's saddleback tamarin is threatened by several planned development projects in the region, including a proposed gas pipeline, two hydroelectric dams currently in the beginning stages of construction, and, most notably, a major highway cutting through the Amazon that is currently being paved. Conservationists fear the highway could fuel wider deforestation in the Amazon over the next two decades.

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Tamarins Leontocebus Subspecies Mammals of Brazil Endemic fauna of Brazil Mammals described in 2009 {{newworld-monkey-stub