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Standing a tall as 2.5 megabyte ( 8 foot ) and weighing up to 360 kg ( 800 pound. ), the grizzly bear is a subspecies of brown wear that inhabits western Canada and the northwestern United States .Grizzly bears have a multitude of strengths. They are highly healthy and have excellent memories. Detecting food from great distances away, grizzlies have an astute sense of smell, even better than that of a cad frank .
They are dependable swimmers and debauched runners, reaching speeds ampere high as 50 kilometers per hour ( 35 miles per hour ) over country. Young grizzlies besides have the ability to climb trees to evade danger, but this skill fades as they become bigger .
Grizzly bears are particularly adapted to survive the changing seasons. During strong months, they eat a massive measure of food so they can live off torso fatty during the winter, when food is barely. They may intake 40 kilogram ( 90 pound. ) of food each day, gaining over 1 kg ( 2.2 pound. ) of soundbox weight a day.
As omnivores, grizzlies will eat anything alimentary they can find, gorging on nuts, fruit, leaves, roots, fungi, insects, and a assortment of animals including pink-orange and other fish, rodents, sheep, and wapiti. Their diet varies depending on what foods are available for the temper .
In the fall, as temperatures cool and food becomes scarcer, grizzlies dig dens in the sides of hills. They have long rounded claw ( the size of homo fingers ) and a big mass of muscles on their backs that help them dig. These characteristics, along with minor round ears and white-tipped ( or “ grizzle ” ) fur, distinguish grizzly bears from black bears .
In the winter, grizzly bears settle in to their dens and enter a deep sleep called torpor, which allows them to conserve energy. Their heart rate slows down from 40 beats per minute to 8, and they do not go to the toilet at all during these months of slumber. This trench sleep is normally referred to as hibernation, but bears are not true hibernators. true hibernators, like chipmunks, deer mouse, groundhogs, snakes, and some bats, enter an even deeper sleep state, reducing their heart rates even more importantly and lowering their body temperatures to near freezing.
Family Life
Midwinter, meaning grey bears wake up from their sleep to give parturition, but return to their sleep afterwards. Grizzly digest cubs ( normally born in copulate ) arrive into the populace blind, hairless, and toothless. They use what little strength they have to nestle into their mother and nurse. For a month, the cubs feed on their mother ’ randomness milk and addition strength. By the clock spring comes, the cubs have opened their eyes and grow teeth and fur ; the new class is fix to venture outside the hideout .
The cub stay under their beget ’ s care for 2-3 years. While mother grizzlies are fiercely protective of their cubs, about half the cubs do not survive past the first year, falling to disease, starvation, and predators like wolves, batch lions, and adult male grizzlies .
Conservation Status
Brown bears are considered a species of least concern by the IUCN. however, the grey behave subspecies is listed as threatened by the U.S. Fish and Wildlife Service. Grizzly bears are threatened by habitat loss due to logging, growth, and mine. Human interaction besides poses a threat to grizzlies. When bears are drawn close to humans, attracted by livestock, garbage, and other food, they are frequently exterminated. furthermore, in Canada, people hunt grizzlies for trophy ( where it is legal to do thus ). In the U.S., sometimes grizzlies are shot by people mistaking them for black bears, which are not protected .
What You Can Do to Help
If you would like to help grizzlies, you can donate to organizations such as Defender of Wildlife and National Wildlife Federation, which help preserve grey habitat and work toward minimizing human-bear conflicts ( with measures like bear-resistant dumpsters and electric fences ).
When living in or visiting grey hold habitat, do not feed the bears, and keep all drivel securely contained .
Grizzly Bear Distribution
Grizzly Bear Resources
Blog Posts about the Grizzly Bear
About the Author
Abi Cushman is a contributing editor program of Animal Fact Guide and My House Rabbit. When she ‘s not writing about eldritch animal facts, Abi writes and illustrates amusing books for kids. Her movie books, Soaked ! and Animals Go Vroom !, are available now from Viking Children ‘s Books.
To learn more and to download free activity sheets, chew the fat www.abicushman.com. Follow her on chirrup at @ AbiCushman and on Instagram at @ Abi.Cushman .
