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Various Voles (Macrotus spp.)

Posted on Jun 22, 2008 by in Rodents | 1 comment

Four voles
Numbers 0180, 0181, 0182 and 0183

Clockwise from the top left, say hello to a California vole (Microtus californicus), a Mediterranean pine vole (Microtus duodecimcostatus), a Japanese grass vole (Microtus montebelli), and a Mexican vole (Microtus mexicanus).

Voles are little mouselike rodents that burrow around in many kinds of environments. The four shown here have nothing in common, as far as I know, other than the fact that they each have a place name in their common name. Walker’s Mammals of the World has a couple of interesting things to say about the voles of the Microtus genus:

In general the social life of Microtus is something of an enigma. A number of species are known to live in what appear to be colonies of hundreds of individuals. The animals therein, however, may be totally uncooperative and extremely aggressive toward one another.

That reminds me a bit of some Homo sapiens families I know. Walker’s also says:

…Microtus appears to be slow-moving, docile, and easily trapped and tamed. When upset these voles may emit a high-pitched squeak, gnash their teeth, and either flee or freeze depending upon their location and previous activity.

Poor upset voles! Here on YouTube you can see a not-noticeably-distressed captive Japanese grass vole working on his nest.

Consecutive days of mammals: 3
Record: 16

1 Comment

  1. very very cool

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