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A black bear crawls back into its den for torpor, a state of sleep similar to hibernation, in Yellowstone National Park. Bears aren't true hibernators like some animals , but they do enter a state ...
Northern bat hibernating in Norway Bats hibernating in a silver mine. Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. . Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metaboli
Grizzly bears also do not defecate or urinate throughout the entire hibernation period. The male grizzly bear's hibernation ends in early to mid-March, while females emerge in April or early May. [53] In preparation for winter, bears can gain approximately 180 kg (400 lb), during a period of hyperphagia, before going into hibernation. [54]
If the winter is mild enough, they may wake up and forage for food. Females also give birth in February and nurture their cubs until the snow melts. [90] During winter, American black bears consume 25–40% of their body weight. [91] The footpads peel off while they sleep, making room for new tissue.
According to the NJDEP, if you encounter a bear do not: Feed the bear. Approach the bear. Run from the bear. Make direct eye contact with the bear. To handle a bear encounter the correct and safe way:
Before the winter months, bears eat constantly in preparation for hibernation and may be actively seeking out food sources near residential areas. Curtis said in rural areas, bears may still be ...
The eastern long-eared bat uses torpor during winter and is able to arouse and forage during warm periods. [25] Some animals use torpor during their reproductive cycle, as seen in unpredictable habitats. [24] They experience the cost of a prolonged reproduction period but the payoff is survival to be able to reproduce at all. [24]
Bears generally emerge from sleep in late March and early April. But temperature increases can cause bears to wake up earlier in search of food. Bears are coming out of hibernation in NY ...