Thawing sea ice may have opened the door, allowing the infection to cross oceans, a new study suggests.
The population of endangered killer whales has hit a 30-year-low, numbering only 75 this year.
The bears that come to the northern village of Kaktovik are climate refugees, on land because the sea ice they rely on for hunting seals is receding.
Deaths of gray and harbor seals, in much greater numbers than usual, have been attributed to viruses related to distemper and the flu.
Forty-one whales have died in the past 15 months along the Atlantic coast from North Carolina to Maine. Ten of the whales were killed by collisions with ships.On average, eight humpback whales are stranded each year and fewer than two are hit by ships.
A stranded whale on a Waikato beach has died, despite rescuers; best efforts to save it.
It is still not clear if the family was brought so close to people by hunger as most locals believe or, as one account suggests, out of fear of being followed by an aggressive large male.
This was a first expedition by volunteers and activists to rescue seals trapped in plastic rubbish on the island, a breeding ground in the Sea of Okhotsk, off Sakhalin.
Around 20 bears have surrounded Ryrkaypiy attracted by the walruses that recently appeared at a special protected area. Several hundred frightened walrus fell to their deaths and the polar bears then ate the carcasses.
Khalaktyrsky Beach near Petropavlovsk is littered with hundreds of dead sea animals, from deep-sea Giant Pacific octopuses, to seals, sea urchins, stars, crabs and fish. Surfers were the first to raise alarm after problems with eyesight, fevers and throat aches.
Federal officials have shut down salmon and recreational fishing for the summer in key feeding grounds for killer whales. The closures, which took effect Friday, apply to parts of the southern . . .
Lame, exhausted and confused, the young male polar bear is far from his natural habitat to the north.
Amazing footage shows the bears just 150 metres from the nearest house as shooting is criticised - but does little to deter predators.
Fellow driver tries to scare the predators away as they climb inside the truck to reach food scraps. All predators look healthy and well fed, however the author of the video suggests that it could have been hunger that made them surround the truck.
The death this week of another Puget Sound killer whale makes 2016 one of the worst in recent history for the endangered marine mammals. At least five orcas in the family group J-pod have died in the past year.
[VIDEOS & PHOTOS] A rare and entertaining sea otter spotted along the shores of Saanich this week has locals thrilled, but wildlife experts warn to keep a distance.
The racing predator was seen 60km south of Batagai, north-east from republic’s capital Yakutsk.
Southern resident killer whales made their first appearance in the Salish Sea on Canada Day after more than two months with only a brief sighting off the west coast of Vancouver Island.
Last year, 2014, was the hottest year ever recorded on Earth. Unlike other worldwide problems from which Canadians might feel relatively safe and isolated, but Canada is actually ground zero of global climate.
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