13 December 2013 Sciurillus pusillus (Rodentia: Sciuridae)
Rosa R. Jessen, R. Nathan Gwinn, John L. Koprowski
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Sciurillus pusillus (É. Geoffroy Saint-Hilaire, 1803) is a sciurid commonly called the Neotropical pygmy squirrel. S. pusillus is an exceptionally small species of tree squirrel that appears pale gray due to a grizzled pattern of light hair tips on the dorsal pelage. Ranging from Amazonian Peru and Brazil northeast to the Guianas with a patchy distribution, S. pusillus is a denizen of the upper canopy of lowland rain forest. This species is listed as “Data Deficient” by the International Union for Conservation of Nature and Natural Resources.

Rosa R. Jessen, R. Nathan Gwinn, and John L. Koprowski " Sciurillus pusillus (Rodentia: Sciuridae)," Mammalian Species 45(903), 75-79, (13 December 2013). https://doi.org/10.1644/903.1
Published: 13 December 2013
French Guiana
lowland rain forest
pygmy squirrel
South America
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