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A New Rice Rat (Genus Oryzomys) from Florida's Lower Keys

Numi C. Spitzer and James D. Lazell, Jr.
Journal of Mammalogy
Vol. 59, No. 4 (Nov., 1978), pp. 787-792
DOI: 10.2307/1380143
Stable URL: http://www.jstor.org/stable/1380143
Page Count: 6
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A New Rice Rat (Genus Oryzomys) from Florida's Lower Keys
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Abstract

A new species, Oryzomys (Oryzomys) argentatus, is described from the lower Florida Keys. It is distinguished from all other members of the subgenus by long, slender nasal bones, a narrow skull, and silvery gray pelage. The habitat is cattail (Typha sp.) marsh interspersed with mangrove; the marsh water is fresh. The new form is rare and endangered because of fresh-water marsh destruction.

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