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  3. Brown Bear

One of the 8 bears on WAnimals

Brown Bear (Ursus arctos)

Mammals · Carnivora · Ursidae

Brown Bear

Ursus arctos

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

One of the most widespread land carnivores in the Northern Hemisphere, with stable populations in several European and North American countries.

Weight

135 kg – 390 kg

Size

1.5 m – 2.8 m

Life expectancy

25 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Irregular activity

Active at irregular times, by day or night depending on circumstances.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Estimated population

More than 200,000 animals in total: some 100,000 in Russia, 33,000 in the United States, 25,000 in Canada, 15,400 in Europe and around 2,200 on Hokkaido (Japan)

Temperate forestMountain
51countries53parks8same family1natural phenomena7featured routes

AI-generated images: illustrations, not photographs.

Fun facts

  • Romania is home to one of the largest populations in Europe.
  • It can run at over 50 km/h despite its size.
  • It hibernates through the winter in cold climates.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Forests, tundra, alpine meadows and coastal areas of the Northern Hemisphere (Eurasia and North America)
Birth weight
400 - 510 grams (born while the mother is hibernating)
Size at birth
Blind, barely furred and completely dependent at birth
Sexual maturity
Female: 3.5-6 years (most commonly 5-7) | Male: 5.5 years (though it rarely breeds before becoming socially dominant)
Gestation / incubation
6-8 weeks of active development (delayed implantation stretches the total gestation to several months)
Litter / clutch size
1 to 4 young per litter (most commonly 2)
Life expectancy in captivity
Up to 40-47 years documented in captivity

Sources consulted: Animal Diversity Web · AnAge (genomics.senescence.info) · International Association for Bear Research and Management · Britannica · SDZWA Library Fact Sheet · Giraffa.co · McLellan et al. 2017, IUCN Red List: Preocupación menor desde 1996 · la mayoría vive en poblaciones grandes y estables, aunque varias subpoblaciones pequeñas y aisladas corren riesgo de desaparición local y otras están en expansión · McLellan et al. 2017, IUCN Red List e.T41688A121229971 · San Diego Zoo Wildlife Alliance Library

Where to find it

Best time: May to October

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Where to see it

Parks and dive sites where this species has been documented — showing 10 of 53.

Related species

Other species in the catalogue with the most in common with Brown Bear — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Shares a park
Shares a park

Related guides

Keep exploring

Based on what we already know about brown bear.

Share an experience, a fun fact or a tip for seeing the brown bear.
See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano

The pins mark the parks where its presence is documented.

See its range on the interactive map→
Yellowstone National ParkUnited States
SarekSweden
PadjelantaSweden
Pallas-YllastunturiFinland
Urho KekkonenFinland
Stelvio (Stilfserjoch)Italy
TriglavSlovenia
PlitviceCroatia
DurmitorMontenegro
ValbonaAlbania
See all 53 parks
American Black BearLeast Concern

American Black Bear

Ursus americanus

Not Evaluated

Grizzly Bear

Ursus arctos horribilis

Asiatic Black BearVulnerable

Asiatic Black Bear

Ursus thibetanus

Polar BearVulnerable

Polar Bear

Ursus maritimus

Least Concern

Eurasian Common Shrew

Sorex araneus

Least Concern

Bushy-tailed Woodrat

Neotoma cinerea

Where to see Brown Bear in the United States10 places
CountriesUnited States
ParksYellowstone National ParkUnited States
TagsOmnivore
Omnivore
Variable activity
Solitary
Temperate forest
Mountain
Mammal
United StatesCanadaRussiaSwedenBulgariaChina

Europe30

AlbaniaAndorraAustriaBelarusBosnia and HerzegovinaBulgariaCroatiaDenmarkEstoniaFinlandFranceGreeceIcelandItalyKosovoLatviaLithuaniaMoldovaMontenegroNorth MacedoniaNorwayPolandRomaniaSerbiaSlovakiaSloveniaSpainSwedenSwitzerlandUkraine

Asia19

AfghanistanArmeniaAzerbaijanChinaGeorgiaIranJapanKazakhstanKyrgyzstanMongoliaNorth KoreaPakistanRussiaSouth KoreaTaiwanTajikistanTürkiyeTurkmenistanUzbekistan

North America2

CanadaUnited States