Conservation Status

Not listed as threatened or endangered



--Bears do not defecate or urinate for the entire time they are in winter sleep. Doctors have been able to help patients with kidney failure by studying the way bears recycle urine.

--During the winter, bears live off of the body fat they have stored up over the summer and fall. When they emerge from winter sleep, they may have lost up to 1/3 of their body weight!

Class: Mammalia
Order: Carnivora
Family: Ursidae
Genus: Ursus
Species: arctos


Weight: Up to 1,300 pounds with males being larger than females
Length: 6 to 9.8 feet
Height: 3 to 4 feet at the shoulder
Life Span: 25 years in the wild, up to 40 in captivity
Gestation: 6 to 8 months, including a 5 month delayed implantation period
# of young: 1 to 4, average is 2
Range: Northwestern North America, Europe, northern Asia, Atlas Mountains of Africa
Diet: Omnivore, most of their diet consists of plant matter, but they will eat meat if they can find it.

Energy & Conservation

The brown bear once ranged throughout the Northern Hemisphere, but due to hunting for meat and medicinal purposes, and a lack of understanding, their population has shrunk considerably. As humans continue to place growing pressures on these bears, it will become increasingly difficult for humans and bears to coexist.

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