The pygmy marmoset is a small New World monkey native to rainforests of the western Amazon Basin in South America. It is notable for being the smallest monkey and one of the smallest primates in the world at just over 100 grams. Wikipedia Scientific name: Callithrix pygmaea Mass: 0.22 lbs (Adult) Rank: Species Higher classification: Callithrix Tail length: 6.8 – 9 in. (Adult) Body length: 4.6 – 6 in. (Adult, Head and body) Size of territory: 0.00039 – 0.0015 mi²
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