Brown Bearヒグマ

Ursus arctosLC— Least Concern

The brown bear is one of the largest and most widespread bear species, ranging historically across Eurasia, North Africa, and North America and still found in large numbers in Russia today. Though often seen as a fierce carnivore, it is highly omnivorous, deriving up to 90% of its dietary energy from plant matter such as berries, roots, and grasses, supplemented with fish, insects, and occasional large prey. With a stable global population of roughly 200,000, the species is classified as Least Concern by the IUCN, even though several regional subspecies remain endangered.

Brown Bear (reference photo)
Photo: Robert F. Tobler / CC BY-SA 4.0 / Source / cropped

Species Data

Classification
Carnivora / Ursidae Source
Size
Body length: males about 2.0–2.8 m, females about 1.8–2.2 m
Weight
Males about 250–500 kg, females about 100–300 kg
Lifespan
Wild: about 25 years
Diet
Omnivore Omnivorous but more carnivorous than the Asian black bear; eats mammals such as deer, wild boar, and mice, and salmon and trout, while also deriving much of its energy from plant matter such as berries, grasses, roots, fungi, and insects
Activity
Tends to have activity peaks in the morning and evening; hibernates in a den in winter, during which heart and breathing rates drop sharply, and gives birth during this period (usually around February)
Distribution
Brown bears historically ranged across Eurasia, North Africa, and North America, and today remain widespread in Russia and parts of Europe, Asia, and North America; in Japan they are found on Hokkaido. Source

Did You Know?

  • Brown bears have a muscular hump on their shoulders, unique among bear species, believed to have evolved to power their strong digging ability. Source
  • Brown bears in Yellowstone have been documented eating up to 40,000 army cutworm moths in a single day, deriving up to half their annual energy intake from these insects. Source
  • Cubs learn much of their survival behavior by observation rather than instinct alone, watching their mothers to learn what to eat and how to hunt. Source

Where to See This Species

Operating facilities registered on this site: Japan 9

Adventure WorldWakayamaOpened in 1978

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Noboribetsu BearParkHokkaidoOpened in 1958

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OkuhidakumabokujouGifu2535 Hitoegane, Okuhida Onsengo, Takayama, Gifu.

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Sapporoshimaruyama DoubutsuenHokkaidoOpened in 1951

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Ueno ZooTokyoOpened in 1882

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TOBU ZOOSaitamaFrom Tobu-Dobutsu-Koen Station (west exit), about 10 minutes on foot (600 m) or about 5 minutes by bus.

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Himeji Shiritsu DoubutsuenHyogoOpened in 1951

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Hamamatsu Zoological GardensShizuokaOpened in 1950

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Fuji Safari ParkShizuokaOpened in 1980

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Latest news

6

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Conservation Story

Conservation Status

Least Concern (LC)

Sources

ja.wikipedia.org

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FAQ

Are brown bears mostly carnivores?
No — despite their fearsome reputation, brown bears are highly omnivorous and get up to 90% of their dietary energy from plant matter like berries, grasses, roots, and fungi. Source
What is the hump on a brown bear's shoulders?
It's a mass of muscle, unique among bear species, that powers the brown bear's exceptionally strong digging ability. Source
Are brown bears endangered?
The species overall is Least Concern, with a stable global population of about 200,000, though some regional subspecies and isolated populations remain endangered. Source
How many operating facilities are registered here?
Operating facilities registered on this site: Japan 9 Source

Books & gear

Source: ja.wikipedia.org en.wikipedia.org