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…
Biome
Polar regions & tundra
Meet the animals of polar regions & tundra and read what we know about how they live there.
9 animals62 articles3 habitats inside
Articles
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,…
Comparisons
Tiger vs grizzly bear: who would win?
Tigers and grizzly bears live on different continents, so nobody knows who would win. A big Amur tiger and a…
Strength & bite force
How strong is a grizzly bear?
Grizzly bears are powerful diggers and hunters, but their lifting strength and bite force have never been measured. Here is…
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…
Anatomy & appearance
Do Polar Bears Have Tails – Polar Bear Tail
Yes, polar bears like all other bears do have tails. You might wonder that you haven’t noticed one yet in…
Diet & feeding
Do Polar Bears Eat Penguins – Why Don’t Polar Bears Eat Penguins
No Polar Bears do not eat penguins because polar bears live in the arctic region (north pole) while penguins live…