Categories
Animal Size

Polar bear size: How big do they get?

How big does a Polar bear get? Here is an overview over the average adult age:

A grown Polar bear (Ursus maritimus) reaches an average size of 2 meter (6′ 7″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 38.17 years, they grow from 670 grams (1.48 lbs) to 373.35 kg (823.1 lbs). A Polar bear has 1 babies at once. The Polar bear (genus: Ursus) is a member of the family Ursidae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The average adult size of a Polar bear is  (6' 7

The polar bear (Ursus maritimus) is a hypercarnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. It is a large bear, approximately the same size as the omnivorous Kodiak bear (Ursus arctos middendorffi). A boar (adult male) weighs around 350–700 kg (772–1,543 lb), while a sow (adult female) is about half that size. Polar bears are the largest land carnivores currently in existence, rivaled only by the Kodiak bear. Although it is the sister species of the brown bear, it has evolved to occupy a narrower ecological niche, with many body characteristics adapted for cold temperatures, for moving across snow, ice and open water, and for hunting seals, which make up most of its diet. Although most polar bears are born on land, they spend most of their time on the sea ice. Their scientific name means “maritime bear” and derives from this fact. Polar bears hunt their preferred food of seals from the edge of sea ice, often living off fat reserves when no sea ice is present. Because of their dependence on the sea ice, polar bears are classified as marine mammals.Because of expected habitat loss caused by climate change, the polar bear is classified as a vulnerable species. For decades, large-scale hunting raised international concern for the future of the species, but populations rebounded after controls and quotas began to take effect. For thousands of years, the polar bear has been a key figure in the material, spiritual, and cultural life of circumpolar peoples, and polar bears remain important in their cultures. Historically, the polar bear has also been known as the “white bear”. It is sometimes referred to as the “nanook”, based on the Inuit term nanuq.

Animals of the same family as a Polar bear

We found other animals of the Ursidae family:

Animals with the same size as a Polar bear

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Polar bear:

Animals with the same litter size as a Polar bear

Here is a list of animals that have the same number of babies per litter (1) as a Polar bear:

Animals with the same life expectancy as a Polar bear

Completely different animals, but becoming as old as a Polar bear:

Animals with the same weight as a Polar bear

As a comparison, here are some other animals that weight as much as the Ursus maritimus: