![]() The National Park Service encourages you to learn more about bears in parks. As guests, proper behavior and etiquette on our part can contribute to a safe and enjoyable visit for us as our hosts. When we visit a park with bears, we are entering their home. Torpor can reduce oxygen consumption to 25. According to an article in Physiology magazine, black bear hibernation consists of a continuous torpor for several months. Both the black bears in the warmer, southern states and the bears in the colder, northern states enter torpor. Bears make their dens in hollow trees or logs, under the root mass of a tree, in rock crevices, or even high in a tree in warmer climates. Black bears do hibernate, although the state is technically torpor. The length of denning depends on location, and can vary from a few days or weeks to a few months or more. In the spring, when the snow begins to melt, the bears will wake up and emerge from their den in search of food again. Most bears hibernate or den during the winter months. The family will remain in the den for the duration of winter while the mother sleeps and the cubs nurse and grow. Pregnant bears will give birth to their cubs in the den, most likely within the first two months of hibernation. ![]() Their bodies use the fat they stored in summer and fall as energy. Even so, male bears may lose between 15 to 30 of their. During their slumber, bears’ bodies drop in body temperature, pulse rate, and respiration. Hibernating bears have the ability to reuse protein byproducts and live off of stored fat reserves. The length of denning depends on location, and can vary from a few days or weeks to a few months or more.īears make their dens in hollow trees or logs, under the root mass of a tree, in rock crevices, or even high in a tree in warmer climates. Most bears hibernate or den during the winter months. ![]()
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