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Old World harvest mouse

rodent species
Also known as: Micromys minutus

Quick Summary

The Old World harvest mouse (Micromys minutus) is a small rodent found in Europe and Asia. It is one of the smallest rodents, weighing less than 7 grams with a body length under 8 cm. Its fur is brownish-yellow to reddish-brown on top and white to buff underneath.

These mice are agile climbers, preferring tall vegetation like grasses, reeds, and grain fields. They build globular nests suspended in vegetation during the breeding season and nest in holes or under haystacks at other times. Their diet includes seeds, vegetation, insects, and bird eggs. Modern farming practices may be negatively impacting their populations.12

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