jumping mouse

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jumping mouse,

member of the mammalian order Rodentia, characterized by front teeth adapted for gnawing and cheek teeth adapted for chewing. The Rodentia is by far the largest mammalian order; nearly half of all mammal species are rodents.
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 slightly larger than the common mouse, found in North America and N Asia, also called the kangaroo mouse. Its long hind legs and tail enable it to leap distances up to 12 ft (3.7 m). Jumping mice have gray to brown fur and are white underneath. They can scurry as well as leap and are good swimmers. Solitary, nocturnal animals, they are found in marshes and on stream banks in coniferous and deciduous forests of both coasts of North America and also in fields and pastures. Two genera, Zapus and Napaeozapus, are North American, ranging from the Arctic Circle S to New Mexico and Tennessee; a related genus, with one species, Eozapus setchuanus, the Szechuan jumping mouse, is native to China. Jumping mice feed on a diet of grass seeds, fruit, and insect larvae. They gain weight in autumn and hibernate in fur-lined burrows during winter. Litters, containing from three to six young, are born in late spring. Jumping mice are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Mammalia, order Rodentia, family Zapodidae.
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References in periodicals archive ?
We examined the genetic structure and history of populations of 2 species of jumping mice, Z.
Specimen and locality data for 135 jumping mice, assignment of mtDNA clade numbers (1-7, as shown in Fig.
At the species level, the value of this variability index ranged between 0.204 and 0.576 with deer mice being the least variable and woodland jumping mice the most variable species (Table 1).
Increasing population trends over time, such as that exhibited by chipmunks, southern red-backed voles, woodland jumping mice, or short-tailed shrews (based on linear regression of N vs.
SD Species Max N Mean N cv N([log.sub.10][N]) Deer mice 376.5 152.8 0.49 0.204 Red-backed voles 105.3 23.7 0.89 0.409 Woodland jumping mice 49.3 8.2 1.49 0.576 Chipmunks 123.8 34.0 0.85 0.402 Red squirrels 12.9 3.2 0.89 0.321 Flying squirrels 2.9 0.8 0.93 0.306 Short-tailed shrews 90.8 7.8 1.91 0.491 Masked shrews 15.2 3.1 1.04 0.443 Time-series analysis of per capita rates of increase indicated that the population dynamics of most species were synchronized.
Jumping mice, a tenth again smaller, play it safest of all.
hudsonius and along man-made waterways (Morrison, 1990), implying that food and cover requirements of meadow jumping mice may be met along man-made mesic habitats (Morrison, 1992).
Evolutionary relationships of jumping mice (genus Zapus) of the southwestern United States.
Movement, dispersal, and gene flow in riparian jumping mice are largely determined by habitat connectivity with most movements along riparian corridors (Vignieri, 2005J.
Abundance survival, and hibernation of Preble's meadow jumping mice (Zapus hudsonius preblei) in Boulder County, Colorado.
Life history and habitat affinities of meadow jumping mice (Zopus hudsonius) in the middle Rio Grande valley of New Mexico.