Abstract

The dynamics of body temperature in the Eastern European hedgehog during hibernation is described. The average body temperature in autumn before hibernation is maintained at 34.3 ± 0.2°C. During hibernation, the value averages 6.3 ± 0.4°C. A decrease in temperature down to –1.3°С is revealed for hedgehogs for the first time. Periodic normothermic phases each lasting less than a day were detected, as is typical of other hibernators. An active phase of hibernation (warming up and normothermia) takes up 16.5 ± 1.5% of the total time of hibernation. Changes in body temperature in the passive phase (cooling and hibernation) correlate with the ambient temperature. A reliable negative correlation between the duration of bouts and the body temperature is shown.

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