Chipmunk Puzzle

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    Chipmunk Puzzle

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    Chipmunks are small, striped rodents of the family Sciuridae. All species of chipmunks are found in North America, with the exception of the Siberian chipmunk, which is found in Asia.

    Chipmunks may be classified either as a single genus, Tamias, or as three genera: Tamias, which includes the eastern chipmunk; Eutamias, which includes the Siberian chipmunk; and Neotamias, which includes the 23 remaining, mostly western, species. These classifications are arbitrary, and most taxonomies over the twentieth century have placed the chipmunks in a single genus. However, studies of mitochondrial DNA show that the divergence between each of the three chipmunk groups is comparable to the genetic dissimilarity between Marmota and Spermophilus.

    Tamias is Greek for "housekeeper",[5] a reference to the animals' role in plant dispersal through their habit of collecting and storing food for winter use.[6]

    The common name originally may have been spelled "chitmunk," from the native Odawa (Ottawa) word jidmoonh, meaning "red squirrel" (cf. Ojibwe, ajidamoo).[7][8] The earliest form cited in the Oxford English Dictionary (from 1842) is "chipmonk," however, "chipmunk" appears in several books from the 1820s and 1830s.[9] Other early forms include "chipmuck" and "chipminck," and in the 1830s they were also referred to as "chip squirrels;" probably in reference to the sound they make. In the mid-1800s, John James Audubon and his sons, included a lithograph of the chipmunk in their Viviparous Quadrupeds of North America, calling it the "Chipping Squirrel [or] Hackee."[10] Chipmunks have also been referred to as "striped squirrels," "chippers," "munks," "timber tigers," or "ground squirrels;" although the name "ground squirrel" usually refers to other squirrels, such as those of the genus Spermophilus.

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