An Addition to the Mammalian Fauna of Saskatchewan: The Western Harvest Mouse, Reithrodontomys megalotis
Keywords:Western Harvest Mouse, Reithrodontomys megalotis, hair identification, Saskatchewan
AbstractThe Western Harvest Mouse (Reithrodontomys megalotis) is rare in Canada, and its distribution is believed to be restricted to south-central British Columbia and southeastern Alberta. Between 2008 and 2010, we identified Western Harvest Mouse hairs in 71 of 1424 scats (5%) of Red Fox (Vulpes vulpes), Coyote (Canis latrans), American Badger (Taxidea taxus), and Long-tailed Weasel (Mustela frenata) collected in southwestern Saskatchewan. The presence of Western Harvest Mouse was confirmed at the same latitude as populations reported in Alberta and British Columbia, in scats collected in or nearby grasslands. This is the first time that the presence of the Western Harvest Mouse has been confirmed in Saskatchewan.
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