资讯

If you’re lucky enough to see a polar bear at the zoo, you will instantly fall in love. These majestic creatures are ...
A polar bear has a moment in the Arctic winter sun ... she (and the other reindeer-hunting polar bears we have seen) appear fitter; enabling them to run at speeds of up to 8 m/s for an average ...
Text by Neil Ever Osborne and Mark Jacquemain A polar bear, dependent on sea ice for its hunting grounds, pauses near Churchill, Manitoba. Neil Ever Osborne On the bay this fall morning ...
Climate change is adversely affecting the amount of Arctic ice, a.k.a polar bear hunting grounds, forcing the bears, which can be as large as 1,700 pounds, on to the land to look for other food ...
shrinking hunting grounds. In the Nineties it was rare to see a polar bear; since May, it has been a weekly occurrence. Bears are "extraordinarily inquisitive" – they don't necessarily see ...
In my last Tapestry column I noted that the U.S. Fish and Wildlife Service is planning to tear down the Terror Bay home that ...
It then states estimates in 2005 were 20,000 to 25,000 and then grew to between 22,000 and 31,000 in 2015. However, the claim that polar bear numbers have increased since the 1950s rests on thin ice, ...
and for hunting the seals which make up most of its diet. Although most polar bears are born on land, they spend most of their time at sea. Their scientific name means “maritime bear”, and ...
Having abandoned the island in 1992, the human population of this extremely remote island was soon replaced by a pack of ...
Many bear species don't hibernate at all. Sun bears, panda bears, sloth bears and spectacled bears live in environments where food is plentiful year-round, so there's no need for them to save energy ...