Polar Bear
The Arctic's most powerful predator — and one far more endangered by humans than dangerous to them
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Overview
Polar bears are the largest land carnivores on Earth and genuinely dangerous in their environment. They're also increasingly rare — sea ice loss is dramatically reducing their hunting range. In the vast majority of human-bear encounters in the Arctic, bears investigate and move on without incident.
Friendly fact
Polar bear mothers give birth in snow dens in winter and nurse cubs through the Arctic cold, emerging in spring. The mother typically hasn't eaten since the previous autumn — sustained entirely by stored fat through the birth and nursing period.
Fascinating facts
- 1
Polar bears are classified as marine mammals — they spend so much time at sea they're considered more ocean animal than land animal, swimming up to 100km between ice floes.
- 2
Polar bear fur is transparent and hollow, not white. Their black skin beneath absorbs heat from sunlight.
- 3
Polar bears can eat 45kg of blubber in a single sitting when prey is available, then go months without food.
- 4
Polar bears are Vulnerable on the IUCN Red List, with populations projected to decline 30% by mid-century due to sea ice loss.
- 5
Fatal polar bear attacks on humans average fewer than one per year globally across five countries.
Myth vs. Reality
Myth
Polar bears are constantly aggressive toward humans.
Reality
Polar bears are curious animals that often investigate novel objects without aggression. Most encounters end without incident. Fatal attacks almost always involve severely food-stressed bears or those that have lost their natural fear of humans.
Myth
Polar bears are white.
Reality
Polar bear fur is transparent and hollow. The white appearance comes from light scattering off the translucent fibers.