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Brown Bear (Ursus arctos) Fact Sheet, 2010   Tags: alaska, bear, brown bear, cub, fact sheet, fur, grizzly, hibernation, san diego zoo, san diego zoo safari park  

Last Updated: Jun 23, 2017 URL: http://ielc.libguides.com/sdzg/factsheets/brownbear Print Guide RSS UpdatesEmail Alerts

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Brown Bear (Ursus arctos) Fact Sheet, 2010

Image Credit: © San Diego Zoo Global. All rights reserved.

TaxonomyPhysical Characteristics

Describer (Date): Linnaeus 1758

Kingdom: Animalia

Phylum: Chordata

Class: Mammalia

Order: Carnivora

Family: Ursidae

Subfamily: Caniforma

Genus: Ursus

Species: Ursus arctos

Body Weight:
Male 130-550 kg (287-1213 lb)
Female 80-250 kg (176-551 lb)

Head/Body Length (Males & Females):
1-2.8 m (3.3-9.2 ft)

Shoulder Height: up to 1.5 m (5 ft)

Tail Length: 60-200 mm (2-8 in)

Pelage: Pale tan, blond, gold, many shades of brown to black, gray or silver; grizzly's guard hairs pale at tips.

Distribution & StatusBehavior & Ecology

Range: Europe, Middle East, Asia, northwestern U.S., western Canada

Habitat: Widest variety of habitats of any bear species; dry asian steppes, temperate forests; sea level to 5,000 m (16,404 ft)

IUCN Status: Least Concern

CITES Appendix:
Appendix I: central Asia (Mongolia, China, Bhutan) and Mexico;
Appendix II: rest of world, except Alaskan populations

Population in Wild: More than 200,000

Locomotion: Normal gait - slow shuffle; walk 5.5-6 km/hr; gallop 56 km/hr (35 mp/h)

Activity Cycle: Diurnal in North America (but active day and night when food scarce); largely nocturnal in Europe; in cold climates undergo winter dormancy.

Social Groups: Lasting bonds only between female and young.

Diet: Wide variety of plants and animals; diet more carnivorous than that of American and Asiatic black bears.

Predators: Mainly humans; rare attacks in Siberia by tigers.

Reproduction & DevelopmentSpecies Highlights

Sexual: Female - 3.5 yrs; first cubs 4-8 yrs; Male - about 5.5 yrs.

Gestation: 6-7 months

Litter Size: 2 - 3 common; up to 4

Birth weight: 400-500 g (14-18 oz)

Age at Weaning: 1.5-2.5 years

Longevity: About 25 years

Feature: Rely on wide variety of seasonally available plant and animal food items: berries, pine seeds, grasses, roots, tubers, honey, ants, moths, small rodents, calves of moose, muskoxen, caribou, elk, and salmon.

San Diego Zoo: In a new enrichment strategy as of 2010, exhibit spaces have been conncected for two young grizzly bears and an elderly Manchurian brown bear at the San Diego Zoo. The bears can now take turns using the whole area; this intelligent and highly curious species benefits greatly from added activities and a chance to smell tracks left by other bears.

 

About This Fact Sheet

© 2010-2015 San Diego Zoo Global. Updated 2015.

How to cite: Brown Bear (Ursus arctos) Fact Sheet, 2010. c2010-2015. San Diego (CA): San Diego Zoo Global; [accessed YYYY Mmm dd]. http://ielc.libguides.com/sdzg/factsheets/brownbear.
(Note: replace YYYY Mmm dd with date accessed, e.g., 2015 Jan 15)

Disclaimer: Although San Diego Zoo Global makes every attempt to provide accurate information, some of the facts provided may become outdated or replaced by new research findings. Questions and comments may be addressed to library@sandiegozoo.org.

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