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This is an accepted version of this page This is the latest accepted revision, reviewed on 10 January 2025. Largest subspecies of brown bears/grizzly bears "Alaskan brown bear" redirects here. Not to be confused with Alaska Peninsula brown bear. This article may be in need of reorganization to comply with Wikipedia's layout guidelines. Please help by editing the article to make improvements to ...
State wildlife officials estimate the state's black bear population has remained stable for the past 10 years at 50,000 to 81,000 to animals. Bears can hibernate under decks, in crawl spaces
[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]
To prepare for hibernation, grizzlies must prepare a den and consume an immense amount of food because they do not eat during hibernation. 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 particular, adult male bears can gain up to 500 pounds (230 kg) or more. [9] By the time hibernation starts in October and November, males may weigh up to 1,200 pounds (540 kg). [9] These bears are known to consume as much as 120 pounds (54 kg) of salmon in a single day, sometimes catching as many as 30 fish daily. [10]
They go into hibernation when the temperatures start to drop or when food is hard to come by. Like bears do, they "bulk up" for their hibernation before they choose to do it. Their heart rates ...
Polar bears differ from black bears, grizzlies, and other bear species where both sexes hibernate in that only females use hibernacula. Like other female bears, polar bears use hibernacula as maternity dens. Also like other species, they tend to dig dens into the earth, although their Arctic hibernacula are usually covered with snow by the time ...
The average female adult bear in New York is typically around 160 pounds and the average male adult bear's weight is around 300 pounds. According to Curtis, some of the bigger ones have weighed ...