Polar Bear Endangerment: Causes and Projections
Polar bears are Vulnerable under IUCN. Sea ice has lost 40% since 1979. Projections show 2/3 of the global population gone by 2050 without deep emission cuts.
April 2026
Polar Bear Diet: Hunting and Daily Calorie Needs
Polar bears eat 2 kg of seal blubber daily, hunting ringed and bearded seals on sea ice. Full breakdown of diet, hunting methods, and summer fallback foods.
Why Polar Bears Are Marine Mammals
Polar bears are legally marine mammals. One tagged female swam 687 km without stopping. The science of how they do it and why such swims are now common.
Where Do Polar Bears Live? 19 Subpopulations
Polar bears live in five Arctic nations across 19 subpopulations. Current estimate: 22,000-31,000. Regional breakdown, trends, and why they skip the North Pole.
Polar Bear Fur and Black Skin: The Physics of an Arctic Coat
Polar bear fur is transparent, not white. Their skin is jet black. The physics of how they stay warm and why the fibre-optic fur myth was debunked.
Polar Bear Cubs: Denning, Birth, and the First Year of Life
Polar bear cubs are born at 500-700 g inside a snow den while their mother has fasted for months. Here is how they survive the first Arctic year.
Polar Bears: Marine Mammals and Swimming Habits
Everything about the polar bear: size, habitat, diet, hunting, reproduction, conservation, and the strange facts that make Ursus maritimus the planet's largest land carnivore.
December 2025
In-Depth Look at Polar Bears: Habitat and Facts
Polar bear vs grizzly bear: size, strength, diet, habitat, and the wild pizzly bear hybrids produced as climate change forces their ranges to overlap.
December 2024
How Long Do Polar Bears Live? Lifespan
Wild polar bears live 25-30 years, rarely longer. Captive bears reach 40+. Mortality drivers, cub survival, and what climate stress does to the curve.
How Fast Can a Polar Bear Run? Speed on Ice
Polar bear speed: 40 km/h sprint, 10 km/h swimming, and the 687 km continuous-swim record. Why they overheat in seconds, and how they hunt despite it.
Are Polar Bears Dangerous? Examining Attack Statistics
Polar bears attacked humans 73 times between 1870 and 2014, killing 20. The numbers, case files, and deterrents used in the Arctic today.