4 天之前 · Sea ice is crucial to polar bear survival because they use it to hunt their main source of food -- seals. Polar bears also use the ice as a platform to catch the seals, Archer said. …

2022年11月28日 · A polar bear's entire existence revolves around sea ice. In fact, polar bears will cease to exist if sea ice disappears. Here's how it plays into their survival.

2018年2月1日 · Because of melting sea ice, it is likely that more polar bears will soon starve, warns a new study that discovered the large carnivores need to eat 60 percent more than …

2024年2月13日 · Some polar bears face starvation as the Arctic sea ice melts because they are unable to adapt their diets to living on land, scientists have found. The iconic Arctic species …

2022年12月8日 · Polar bears most often feed on ringed seals that live at the ice edge, waiting for hours – or even days – for seals to emerge at breathing holes in the ice. Polar bear diets can …

4 天之前 · The anti-icing secret of polar bear fur, the critical factor that allows the animals to survive and thrive in punishing cold climates, has finally been explained. It is all down to a …

4 天之前 · According to a recent study published in Science Advances, a greasy hair day keeps the ice away — for polar bears, that is. After examining polar bear fur, an international …