Synevyr National Nature Park in southwest Ukraine have said bears in their care are struggling to hibernate during an abnormally warm December.
This"bearish insomnia" is affecting 29 of the 32 bears housed in the center. These animals have spent their entire lives in the park, so their instincts to hibernate poor—however, conservationists say most of the bears fell asleep last year.Temperatures in Synevyr National Nature Park are currently hovering around 4 degrees Celsius, which is above the December average of minus 2.
The park statement said the region has only experienced one cold week, which is when the three bears managed to enter a state of hibernation. The rest, they say, are"waiting for the frost."SERGEI SUPINSKY/AFP/Getty The outside temperature can be an important indicator for bears when it comes to determining when—and for how long—they hibernate.have shown the bear's heart rate and body temperature will start to drop and physical activity will decline. As temperatures approach zero and snow arrives, animals find themselves a den to hunker down for the winter. This begins a period of hibernation during the winter months.
For every degree Celsius of winter warming, black bear hibernation decreases by six days—this means"by 2050, the average length of bear hibernation in [Colorado] could decline by 15 to 39 days," scientists wrote in the
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