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Global Animal Guide
American black bear foraging in a deciduous forest

American Black Bear

Ursus americanus

Photo: Jon Bodsworth · Copyrighted free use · source · credits

Quick answer

The American black bear is the most common bear in North America, found from Canada to Mexico in forests, swamps, and even suburbs. Despite the name, colours range from jet black to cinnamon, blonde, and the rare white Kermode or 'spirit bear' of British Columbia. Adults typically weigh 45–250 kg and are skilled tree climbers.

Top questions about the American Black Bear

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American Black Bear facts at a glance

  • Weight 150 kg
  • Length 1.8 m
  • Top speed 48 km/h
  • Lifespan 25 years
Key facts about the American Black Bear
Scientific name Ursus americanus
Diet Omnivore — nuts, berries, insects, carrion, and occasional small mammals
Habitat Forests, mountains, and wetlands across North America
Lifespan 15–25 years in the wild
Weight 45–250 kg (100–550 lb); males larger than females
Top speed Up to 48 km/h (30 mph) in short bursts
Conservation status Least Concern (IUCN)
Scientific classification
Kingdom Animalia
Phylum Chordata
Class Mammalia
Order Carnivora
Family Ursidae
Genus Ursus

Where it lives

The american black bear (Ursus americanus) is native to Forests, swamps, and mountains from Alaska and Canada through the United States to northern Mexico, including the Appalachian and Pacific coast ranges. — recorded across North America in this guide’s range summary.

Native range (approximate)

For occurrence records, see GBIF species search and sources below.

How big is a american black bear?

An adult american black bear measures 1.8 m long — about 1.0× the height of an average adult person (1.73 m) — and weighs around 150 kg, about 2.1× an average adult’s body weight (70 kg).

Length vs an average adult’s height (to scale)

Average adult (height)1.73 m
American Black Bear (length)1.8 m

What is a group of american black bears called?

Group name (collective noun)

A group of American Black Bears is called a sleuth. It is also known as a sloth.

Baby name

A baby American Black Bear is called a cub.

Explore more animal collective nouns and baby animal names .

Adaptability and range

Black bears thrive in a wider variety of habitats than grizzlies, including eastern hardwood forests, western conifer woods, Florida swamps, and desert margins where food and cover exist. Their ability to climb trees and tolerate human-altered landscapes helps explain their continued abundance across the continent.

Diet and foraging

Black bears are opportunistic omnivores. Spring diet includes emerging plants and carrion; summer brings berries and insects; autumn is a feeding frenzy on acorns, beechnuts, and apples where available. In some areas they raid cornfields or bird feeders, which can lead to habituation and removal.

Behaviour and reproduction

Solitary for much of the year, females raise cubs for about 17 months before driving them off. Cubs are born in winter dens while the mother is in torpor. Black bears communicate through scent marking, vocalisations, and body posture; they are generally shy of humans unless food-trained.

Conservation and coexistence

Listed Least Concern with an estimated North American population exceeding 600,000, black bears still face road mortality, habitat loss, and illegal trade in bile and paws in some markets. Securing garbage, removing bird feeders, and using bear-resistant bins in overlap areas keeps both bears and people safer.

Dig deeper into the American Black Bear

Explore the American Black Bear

Did you know? American Black Bear facts

  • The American black bear is the most common bear in North America, found from Canada to Mexico in forests, swamps, and even suburbs.
  • No. Colour phases include cinnamon, blonde, brown, and the rare white Kermode bear on Canada's Pacific coast. All are the same species, Ursus americanus.
  • Stay calm, do not run, make yourself look large, and back away slowly. If a black bear attacks defensively, fight back. If it is a predatory encounter — extremely rare — fight back aggressively.
  • Yes. Black bears are excellent climbers and often escape danger or reach food by climbing, even as adults — unlike most large brown bears.
  • Black bears are generally smaller. Large male black bears may reach 250 kg, while grizzlies commonly exceed that. Black bears also lack the prominent shoulder hump of brown bears.
  • Conservation: Least Concern (IUCN).

Diet & feeding

American Black Bear feeds primarily as a omnivore — nuts, berries, insects, carrion, and occasional small mammals. Black bears are opportunistic omnivores. Spring diet includes emerging plants and carrion; summer brings berries and insects; autumn is a feeding frenzy on acorns, beechnuts, and apples where available. In

Adaptations

  • Black bears thrive in a wider variety of habitats than grizzlies, including eastern hardwood forests, western conifer woods, Florida swamps, and desert margins where food and cover exist. Their ability to climb trees and tolerate human-altered landscapes helps explain their continued abundance across the continent.
  • Black bears are opportunistic omnivores. Spring diet includes emerging plants and carrion; summer brings berries and insects; autumn is a feeding frenzy on acorns, beechnuts, and apples where available. In some areas they raid cornfields or bird feeders, which can lead to habituation and removal.

Behaviour & ecology

  • Black bears thrive in a wider variety of habitats than grizzlies, including eastern hardwood forests, western conifer woods, Florida swamps, and desert margins where food and cover exist. Their ability to climb trees and tolerate human-altered landscapes helps explain their continued abundance across the continent.
  • Black bears are opportunistic omnivores. Spring diet includes emerging plants and carrion; summer brings berries and insects; autumn is a feeding frenzy on acorns, beechnuts, and apples where available. In some areas they raid cornfields or bird feeders, which can lead to habituation and removal.
  • Solitary for much of the year, females raise cubs for about 17 months before driving them off. Cubs are born in winter dens while the mother is in torpor. Black bears communicate through scent marking, vocalisations, and body posture; they are generally shy of humans unless food-trained.

Communication

  • American Black Bear uses scent, posture, and vocal signals to mark territory and coordinate social behaviour.
  • Communication intensity often peaks during breeding seasons and territorial disputes.

Habitat & range

Forests, mountains, and wetlands across North America

Ecological role

American Black Bear plays a recognised ecological role in forests, mountains, and wetlands across north america.

Conservation status of the American Black Bear

Least Concern IUCN Red List category Population stable

The american black bear (Ursus americanus) is listed as Least Concern on the IUCN Red List. Least Concern (LC) is the IUCN's lowest-risk category, assigned to widespread, abundant species that have been evaluated and found not to be threatened. It does not mean a species faces no pressures — only that it is not currently at risk of extinction.

Main threats to the american black bear

  • Habitat loss near expanding human settlement
  • Vehicle collisions
  • Human–bear conflict
  • Regulated hunting (managed in many jurisdictions)

American Black Bear (Ursus americanus) was most recently assessed for the IUCN Red List in 2016. View the full IUCN assessment .

Frequently asked questions about the American Black Bear

Are black bears always black?

No. Colour phases include cinnamon, blonde, brown, and the rare white Kermode bear on Canada's Pacific coast. All are the same species, Ursus americanus.

What should I do if I see a black bear?

Stay calm, do not run, make yourself look large, and back away slowly. If a black bear attacks defensively, fight back. If it is a predatory encounter — extremely rare — fight back aggressively.

Can black bears climb trees?

Yes. Black bears are excellent climbers and often escape danger or reach food by climbing, even as adults — unlike most large brown bears.

How big are black bears compared to grizzlies?

Black bears are generally smaller. Large male black bears may reach 250 kg, while grizzlies commonly exceed that. Black bears also lack the prominent shoulder hump of brown bears.

What is a spirit bear?

The Kermode or spirit bear is a white colour phase of the American black bear found on a few islands in British Columbia. It is not a separate species or albino — the pale coat comes from a recessive gene.

What is a group of american black bears called?

A group of American Black Bears is called a sleuth. It is also known as a sloth.

What is a baby american black bear called?

A baby American Black Bear is called a cub.

Sources & references

This guide is compiled and reviewed against established zoological and conservation references. Key sources for the American Black Bear:

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