Marmota flaviventris


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Related to Marmota flaviventris: Ursus arctos
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Noun1.Marmota flaviventris - heavy-bodied yellowish-brown marmot of rocky areas of western North AmericaMarmota flaviventris - heavy-bodied yellowish-brown marmot of rocky areas of western North America
marmot - stocky coarse-furred burrowing rodent with a short bushy tail found throughout the northern hemisphere; hibernates in winter
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Large-scale irrigation projects on the Columbia Plateau and Snake River Plain, beginning with the Reclamation Enabling Act of 1905, resulted in the conversion of hundreds of thousands of acres of shrub-steppe, a habitat largely avoided by native Red Foxes (Bailey 1936), to irrigated pasture and cropland (especially alfalfa hayfields) that now provide improved habitat for Red Fox prey (Bailey 1931, 1936; Grinnell and others 1937; Aubry 1983, 1984; Perrine 2005) such as Belding's Ground Squirrels (Urocitellus beldingi), Yellow-bellied Marmots (Marmota flaviventris), Montane Voles (Microtus montanus), and Northern Pocket Gophers (Thomomys talpoides), all of which can reach pest levels (Dalquest 1948; Sullins and Verts 1978; Thompson 1979; Verts and Carraway 1998).
Foraging and predation risk in yellow-bellied marmots Marmota flaviventris. Am.
Satellite burrows of Lagostomus maximus and Marmota flaviventris could also be distinguished from main burrows by their location close to the foraging area, where animals can hide when threatened (Armitage, 1988; Branch et al., 1994).
- -- 1 Pipistrellus hesperus, western pipistrelle x -- -- Molossidae Eumops perotis, western mastiff bat x -- -- Tadarida brasiliensis, Brazilian free-tailed bat x -- -- RODENTIA Aplodontidae Aplodontia rgM, mountain beaver x -- 1 Sciuridae Glaucomys sabrinus, northern flying squirrel x -- -- Marmota flaviventris, yellow-bellied marmot x -- -- Sciurus griseus, western gray squirrel x -- -- Sciurus sp.
The small predators cannot capture medium-sized prey, such as the yellow-bellied marmot (Marmota flaviventris), while the large prey, such as the Mountain goat (Oreamnos americanus) or the red deer (Cervus elaphus) can be caught only by the wolverine and the brown bear (Ursus arctos).