Bear
Bears are large mammals in the family Ursidae.
Bears are large mammals in the family Ursidae. Most species are omnivores, with diets that vary by species and habitat; they live in North America, South America, Europe, and Asia, and the polar bear lives in Arctic regions.
Classification and species
Bears are members of the mammal family Ursidae. Living species include the brown bear, American black bear, polar bear, giant panda, sun bear, sloth bear, spectacled bear, and Asian black bear.
Diet
Most bears are opportunistic omnivores and eat a wide mix of plant and animal matter. Typical foods include berries, nuts, roots, grasses, insects, fish, carrion, and small mammals, though some species specialize more strongly in plants or meat.
Habitat and range
Bears occupy a broad range of environments, from Arctic sea ice and tundra to forests, mountains, and temperate regions. Their distribution covers much of North America, Europe, and Asia, with the spectacled bear native to South America.
Size and lifespan
Bear body mass ranges widely across species, from relatively small sun bears to very large polar bears. Lifespan also varies by species and conditions; brown bears commonly live around 15–25 years in the wild.
Key facts
- Bears belong to the family Ursidae and are mammals in the order Carnivora.
- Most bears are omnivores that eat both plant and animal foods.
- Bears live in a wide range of habitats, including forests, tundra, mountains, and coastal areas.
- Body size and weight vary greatly by species, sex, season, and food availability.
- The polar bear is the largest living bear species.
Bears are a major part of Canada’s wildlife, with species including black bears, grizzly bears (brown bears), and polar bears found across Canadian regions.
Frequently asked questions
What do bears eat?
How long do bears live?
What is the largest bear species?
Are bears dangerous to humans?
Where do bears live?
How much do bears weigh?
References
- BearSmart — https://bearsmart.org/about-bears/food-and-dietSupports: Bears are technically Carnivora but essentially omnivores; plant foods can make up most of the diet; fish and meat provide protein and fat.
- U.S. National Park Service — https://www.nps.gov/subjects/bears/brown-bears.htmSupports: Brown bears are omnivorous; weight range and average life span for brown bears.
- U.S. Fish & Wildlife Service — https://www.fws.gov/story/fat-bear-diet-planSupports: Polar bears are the largest bears; coastal brown bears are very large but smaller than polar bears.
- Encyclopaedia Britannica — https://www.britannica.com/animal/bearSupports: Bear family classification, number of living species, global distribution, and general characteristics.