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  2. Hibernation - Wikipedia

    en.wikipedia.org/wiki/Hibernation

    Many researchers thought that their deep sleep was not comparable with true, deep hibernation, but this theory was refuted by research in 2011 on captive black bears and again in 2016 in a study on brown bears. [19] [20] Hibernating bears are able to recycle their proteins and urine, allowing them to stop urinating for months and to avoid ...

  3. Bear ‘Tucking Themself In’ for Hibernation in Yellowstone ...

    www.aol.com/bear-tucking-themself-hibernation...

    Winter is finally here, and bears are getting ready to find a den to hibernate in over the next few months. In Wyoming's Yellowstone National Park, one bear was caught prepping for his long sleep ...

  4. Watch: Black bear nestles in for hibernation at Yellowstone ...

    www.aol.com/news/watch-black-bear-nestles...

    Bears aren't true hibernators like some animals, but they do enter a state of slumber called torpor.Like hibernation, during torpor, the animal's heart rate, body temperature and metabolic rate ...

  5. Grizzly bear - Wikipedia

    en.wikipedia.org/wiki/Grizzly_bear

    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] The bear often waits for a substantial snowstorm before it enters its den: such behavior ...

  6. Bear - Wikipedia

    en.wikipedia.org/wiki/Bear

    [110] [111] During hibernation, the bear's metabolism slows down, its body temperature decreases slightly, and its heart rate slows from a normal value of 55 to just 9 beats per minute. [112] Bears normally do not wake during their hibernation, and can go the entire period without eating, drinking, urinating, or defecating. [47]

  7. A “Bear-y” Cozy Winter - Learn about bear hibernation in this ...

    www.aol.com/bear-y-cozy-winter-learn-220019049.html

    A “Bear-y” Cozy Winter - Learn about bear hibernation in this month’s Nature Center Notes

  8. Fecal plug - Wikipedia

    en.wikipedia.org/wiki/Fecal_plug

    A fecal plug (sometimes referred to as a tappen) is a significant biological phenomenon observed in bears and other animals during hibernation.It is a dense mass of hardened feces that forms in the colon due to having remained in the intestine so long that the intestinal walls have absorbed the fluids out of it, leaving it dry and hard. [1]

  9. Grizzly bear struggles to stay awake as hibernation season ...

    www.aol.com/grizzly-bear-struggles-stay-awake...

    A grizzly bear at Maryland Zoo was captured on CCTV struggling to stay awake as hibernation season approaches. During their long winter sleep, the body temperature of a bear dips to about 30-35C ...