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Conservation Status:
The subspecies Peromyscus polionotus decoloratus, the Ponce de Leon Beach Mouse, is Extinct. P.p. trissyllepsis, the Perdido Key Beach Mouse, is Critically Endangered. Additionally, four subspecies are Endangered: P. p. allophrys, P.p. ammobates, P.p. peninsularis, and P.p. phasma, the Choctawhatchee, Alabama, St. Andrews, Anastasia Island Beach Mice. Two subspecies, P.p. leucocehpalus and P.p. niveiventris, the Santa Rosa Beach Mouse and the Southeastern Beach Mouse, are Near Threatened.
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| Oldfield Mice inhabit areas with loamy or sandy soils in the southeastern United States. Newly abandoned fields, where plants such as crabgrass are sprouting, provide good habitat. They are also found on grass-covered beach dunes and scrub areas nearby, where they are known as Beach Mice. They are not found on poorly-drained or hard-packed soil. They live in burrows, usually digging their own, but sometimes taking advantage of tunnels dug by moles.
Also known as:
Beach Mouse, Oldfield Deermouse
Sexual Dimorphism:
Females are larger than males.
Length:
Average:
135 mm
Range:
110-150 mm
Weight:
Average:
13 g
Range:
10-15 g
References:
Wagner, 1843. Arch. Naturgesch., 9, 2:52.
Links:
Mammal Species of the World
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