Search results
Results from the WOW.Com Content Network
Some species of mammals hibernate while gestating young, which are born either while the mother hibernates or shortly afterwards. [5] For example, female black bears go into hibernation during the winter months in order to give birth to their offspring. [6]
For many bears, winter means hibernate or die. Here's what they do to survive. Plus: how climate change puts newborn cubs in danger.
Bears normally stock up on food then hibernate in their dens during the coldest winter months. Bear hibernation is “strongly tied” to weather patterns and food availability, according to a ...
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]
Bears on the East Coast tend to be heavier on average than those on the West Coast, although they typically follow Bergmann's rule, and bears from the northwest are often slightly heavier than the bears from the southeast. Adult males typically weigh between 57–250 kg (126–551 lb), while females weigh 33% less at 41–170 kg (90–375 lb).
For premium support please call: 800-290-4726 more ways to reach us
Bears of northern regions, including the American black bear and the grizzly bear, hibernate in the winter. [ 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 ]
The giant panda has a body shape typical of bears. It has black fur on its ears, limbs, shoulders and around the eyes. The rest of the animal's coat is white. [32] The bear's distinctive coloration appears to serve as camouflage in both winter and summer environments as they do not hibernate.