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This is an accepted version of this page This is the latest accepted revision, reviewed on 12 December 2024. 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 ...
Glacier bears, like all other black bears, are omnivores, with their diets varying depending on the food source available during the season and the location. [13] Their diet includes young shoots and roots in early spring. During the summer in Alaska, the glacier bear eats the abundant Pacific salmon spawning in the streams.
[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]
Avid hiker Michael Glidden was exploring ice caves 60 miles south of Anchorage, Alaska, when a storm kicked in. The temperatures dropped down to 25 degrees and it started to rain. Seeking shelter ...
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]
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 ...
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 ...
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 ...