Male polar bears can weigh up to 700 kilograms (1,540 pounds) and reach lengths of over three metres (10 feet). This makes them the largest land predators in the world, outmatching even grizzly bears.
The United States has listed the polar bear as a threatened species, because its Arctic sea ice habitat is melting due to climate change. US government scientists predict that two-thirds of the ...
Outside the den, death is certain in the frigid temperatures. Polar bears are not faring well with climate change. Each year sea ice continues to thin, melt, and disappear. Polar bears must swim ...