Order: Carnivora
Family: Odobenidae
Species: Odobenus rosmarus
IUCN Status: Vulnerable
Distribution: Arctic seas from Alaska, Canada and Greenland to Russia.
Habitat: open water, near to shore or on ice floes.
Size: Height: up to 150cm. Length: bulls, 300-370cm. Weight: 900-1600kg.
Life-span: up to 50 years
Sexual Maturity: females: 6-7 years, males: 15 years
Food: mainly molluscs and other invertebrate marine animals. Sometimes fish and seals.
Description: long tusks, bristly moustache and deeply wrinkled brown skin.
Gestation: 18-24 months
Number of young: 1
Walruses have very thick skin and underneath this, a layer of blubber which can be up to 15cm thick. They need this kind of protection from the sub-zero temperatures of the Arctic seas in which they live.