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Some evidence indicates that the cave bear used only caves for hibernation and was not inclined to use other locations, such as thickets, for this purpose, in contrast to the more versatile brown bear. This specialized hibernation behavior would have caused a high winter mortality rate for cave bears that failed to find available caves.
U. rossicus dental specimens when separated into groups of different ontogenetic stages do not show significant variations in microwear, suggesting the diets of these bears stayed fairly constant over the course of their lifetimes. [5] Cave bear teeth show greater wear than most modern bear species, suggesting a diet of tough materials.
To the south, the Interior Highlands had a very high density of Arctodus simus specimens (second only to the black bear), [33] [88] due to the high rate of preservation in the cave-rich region. Sympatry between the two species is most apparent in Missouri - Arctodus simus has been found in association with black bears at Riverbluff, Bat and Big ...
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[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]
Download as PDF; Printable version; ... Cave bear; Brown bear; References This page was last edited on 6 September 2024, at ...
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 ...
Seeking shelter, Glidden and his two dogs ran into an ice cave. The temperatures dropped down to 25 degrees and it started to rain. Man finds hibernating bear in cave