Least ConcernHazel Dormouse
Muscardinus avellanarius
47 countries165 parks
Species group · Mammals
WAnimals has 2 species of dormouse, in the family Gliridae.
Ranges calculated from the profiles that record the figure, not from all 2.
Each one has its own full profile. This group does not replace them: it brings them together.
No species documented in this group is genuinely at risk according to the IUCN, with the data available today.
Recorded in 47 countries. The ones with the most species in the group:
It spends most of its life asleep: it hibernates from October to April or May and, if the summer is cold and food is scarce, it also goes into torpor.
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Its specific epithet, avellanarius, comes from the hazel, its main source of fat before hibernating.
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You can tell it has eaten a hazelnut by the clean round hole it leaves in the shell: a squirrel would smash it and a vole would leave a ragged gap.
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In some populations it can hibernate for as much as 11 months a year, one of the longest hibernations known in any mammal.
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