Adaptations
Polar bear adaptations: how the body, gut and habits beat the Arctic cold
Two layers of fur, fat up to 10 cm thick, paws as big as dinner plates and a gut built…
Habitat
Sea ice
Meet the animals of sea ice and read what we know about how they live there.
5 animals28 articles
Articles
Adaptations
Adaptations Of An Arctic Fox – Behavioral, Structural & Physiological
The arctic fox is a small mammal native to the Arctic Circle, inhabiting tundra and polar regions. This species of…
Conservation & population
Are polar bears endangered? Status, population and threats
Polar bears are not endangered: they are Vulnerable on the IUCN Red List and Threatened in the US. About 26,000…
Speed
How fast can a polar bear run?
Polar bears can sprint at about 40 km/h (25 mph) for short distances, but they overheat fast. Grizzlies are quicker,…
Comparisons
Polar bear vs grizzly bear size: which is bigger?
Polar bears are bigger than grizzlies on average: males weigh 350–590 kg against 180–270 kg. Only the biggest coastal Alaskan…
Behaviour
Do polar bears hibernate?
Most polar bears do not hibernate; they hunt seals all winter. Only pregnant females spend winter in a snow den,…
Speed
How fast can a polar bear swim?
Polar bears can swim at about 10 km/h (6 mph), but they are built for distance, not speed. One tracked…
Records & rankings
How big is a polar bear? Height, length and weight
Adult male polar bears are about 2.4–2.6 m long, 1–1.5 m tall at the shoulder and weigh 350–600 kg; females…
Adaptations
What color skin do polar bears have?
Under their fur, polar bears have black skin. The fur itself is clear and only looks white because it scatters…
Predators & threats
What eats polar bears?
Adult polar bears have almost no predators apart from people and other polar bears. Cubs are sometimes killed by adult…
Life cycle & reproduction
Polar Bear Life Cycle – Birth to Death, Stages, Facts, Diagram, Worksheet
In the subject of Biology, Life Cycle of an organism is defined as the series of changes through which that…
Diet & feeding
Do Polar Bears Eat Arctic Foxes – Is Polar Bear Arctic Fox Predator
Polar Bears and Arctic Foxes both live in the Arctic region and some areas may share the same habitat. Since…