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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.
Many researchers thought that their deep sleep was not comparable with true, deep hibernation, but this theory was refuted by research in 2011 on captive black bears and again in 2016 in a study on brown bears. [20] [21] Hibernating bears are able to recycle their proteins and urine, allowing them to stop urinating for months and to avoid ...
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]
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
There are many animals that do go into full hibernation. True hibernators include squirrels , mice, bats, and turtles . They go into hibernation when the temperatures start to drop or when food is ...
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 ...
Genetic samples from bears on Kodiak have shown that they are most closely related to brown bears on the Alaska Peninsula and Kamchatka, Russia, and all brown bears roughly north of the US. Kodiak bears have been genetically isolated since at least the last ice age (10,000 to 12,000 years ago) and very little genetic diversity exists within the ...
[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]