A new species of monkey has been identified in the Democratic Republic of the Congo.
The lesula, or Cercopithecus lomamiensis, described as shy and quiet, has excited conservationists because the identification of mammals new to science is rare.
Here are some more discovered in the past decade.
Goodmans' Mouse Lemur
A Goodman's Mouse Lemur (Microcebus lehilahytsara) photographed in Masoala national park, Madagascar. The species was discovered in August 2005.
Three-Toed Pygmy Sloth
The three-toed pygmy sloth (Bradypus pygmaeus), is endemic to Isla Escudo de Veraguas, a small island off the coast of Panama, and was identified as a distinct species in 2001.
Callicebus Monkey
This previously unknown primate species was discovered during a WWF expedition into the rainforest in Mato Grosso in Brazil in 2010. The new species of the genus Callicebus monkey was found in an area of pristine Amazon rainforest.
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