pygmy marmoset - 142-4.jpg - pygmy marmoset (Cebuella pygmaea) at Brevard Zoo in Florida
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The pygmy marmoset (Cebuella pygmaea) is a small species of New World monkey native to rainforests of the western Amazon Basin in South America. The species is notable for being the smallest monkey and one of the smallest primates in the world, at just over 100 grams (Madame Berthe's mouse lemur is smaller). It is generally found in evergreen and river-edge forests and is a gum-feeding specialist, or a gummivore.