WHO urges vigilance but no alarm over bird flu

The World Health Organization called Wednesday for vigilance after the recent detection of bird flu in mammals, but tried to calm fears that large-scale human outbreaks could be looming.

Polar bear in fatal Alaska attack was in poor health

A polar bear that killed a young mother and her baby last month in western Alaska was likely an older animal in poor physical condition, but tests came back negative for pathogens that affect the brain and cause aggressive ...

Bird flu detected in mammals but risk to humans low: experts

Experts have warned that the recent detection of bird flu in mammals including foxes, otters, minks, seals and even grizzly bears is concerning but emphasized that the virus would have to significantly mutate to spread between ...

Sea stars: The benthic equivalent to the polar bear

A national research group led by researchers at the University of Manitoba has shown that polar bears share the position of top predator of the coastal Arctic marine ecosystem with seastars.

Canadian polar bears near 'bear capital' dying at fast rate

Polar bears in Canada's Western Hudson Bay—on the southern edge of the Arctic—are continuing to die in high numbers, a new government survey of the land carnivore has found. Females and bear cubs are having an especially ...

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