Zoo officials decided to euthanize beloved 36-year-old Snow Lilly due to her "declining health."
The study indicates that indigenous accounts of bears bashing walruses' heads in with stones and chunks of ice are based in fact.
The 26-year-old Quebec, Canada, resident was allegedly caught last week in possession of several crocodile skulls, heads and feet, as well as a three-toed sloth, while trying to cross the U.S. border into Canada.
"If we had known about the relationship between [Hertha's mother and father] we would of course not have recommended the two polar bears for breeding. That was a mistake."
Known as "pizzlies" or "grolars," the hybrids are projected to become more common in the wild as polar bears migrate south and grizzly bears migrate north.
At one point, the driving comes face-to-face with a bear looking through his windshield.
A draws on the expertise of 15 researchers from different disciplines to predict what a warming world will mean for the Earth's polar regions.
Churchill, Manitoba, in Canada has become famous as the place to spot polar bears - but it's also one of the rare places you can swim with Beluga whales.
"People are scared, they are afraid to leave their homes," a local official said.
The ice is floating away from the land it's been attached to for years.
The guard "was attacked by a polar bear and injured on his head," the cuise ship operator said.
A hotel in Norway's Arctic archipelago of Svalbard received an unwelcome visitor and the governor had to fly by in a helicopter before the animal left.
Inuka had been suffering from a range of age-related issues and zoo staff decided not to revive him from anesthesia.
"They're a seal-eating species. It's what they do."
The delegation is trapped inside an Arctic island base, surrounded by bears.
As the world warms, the ice-free season in polar bears' Arctic habitats grows longer and longer.
Scientists believe global warming has caused this change in polar bear food choices.