Polar Bear

Ursus maritimus · Animal

The polar bear is the largest land carnivore and is classified as a marine mammal because it depends on sea ice, where it hunts seals.

Key facts

Scientific name
Ursus maritimus
Kind
Animal
Conservation status
Vulnerable (IUCN VU)
Habitat
Arctic sea ice · coasts
Range
Arctic Ocean and surrounding coasts
Size
Up to 2.6 m long
Weight
Up to 700 kg
Lifespan
25–30 years
Diet
Carnivore
Activity
Solitary · wide-ranging
Population
≈ 22,000–31,000 (IUCN estimate)

Diet

Hunts mainly ringed and bearded seals, waiting at breathing holes in the sea ice.

Behavior

Its translucent fur sits over black skin that absorbs heat. Polar bears are strong swimmers and can travel huge distances across the ice.

Classification

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Ursidae
Genus
Ursus
Species
U. maritimus

Conservation

Shrinking sea ice reduces the time bears can hunt; climate change is the main threat to the species.

Main threats

  • Loss of sea ice
  • Pollution
  • Conflict with people

Habitats

Stories about the polar bear

Related species

Identify the polar bear in BioQuest