Polar bear evolution tracked climate change, new DNA study suggests
A whole-genome analysis suggests that polar bear numbers waxed and waned with climate change, and that the animals may have interbred with brown bears since becoming a distinct species millions of years ago.
New study suggests polar bears evolved earlier than previously thought
Wild brown bear observed using a tool
Wolves, bears and lynx 'now plentiful in Europe' (Update)
After nearing extinction in Europe in the early 20th century because of hunting and shrinking habitats, large carnivores like the gray wolf, brown bear, lynx and wolverine are thriving once more.
Increase in bear infanticide linked to hunting
Polar bear genome reveals rapid adaptation to fatty diet
A comparison of the genomes of polar bears and brown bears reveals that the polar bear is a much younger species than previously believed, having diverged from brown bears less than 500,000 years ago.
How do polar bears stay warm? Research finds an answer in their genes
(Phys.org) —In the winter, brown and black bears go into hibernation to conserve energy and keep warm.
DNA links mysterious Yeti to ancient polar bear (Update 3)
A British scientist says he may have solved the mystery of the Abominable Snowman—the elusive ape-like creature of the Himalayas. He thinks it's a bear.
Ancient European bear had unusually large penis bone
DNA study clarifies relationship between polar bears and brown bears
At the end of the last ice age, a population of polar bears was stranded by the receding ice on a few islands in southeastern Alaska. Male brown bears swam across to the islands from the Alaskan mainland and ...
Ancestry of polar bears traced to Ireland
An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of ...
Future of polar bears likely to be grim
Will polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle.
Ancient DNA from rare fossil reveals that polar bears evolved recently and adapted quickly
A rare, ancient polar bear fossil discovered in Norway in 2004 is yielding a treasure trove of essential information about the age and evolutionary origins of the species whose future is now seen as synonymous ...
New insights into the evolutionary history of bears
According to researchers of the LOEWE Biodiversity and Climate Research Centre (BiK-F), Goethe University Frankfurt and the U.S. Wildlife Service several bear species that today only occur in America or in ...