Increasing evidence that bears are not carnivores
Bears are not cats or dogs, and feeding them like they are likely shortens their lives.
Plants & Animals
Oct 3, 2022
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Page 3 - News tagged with brown bear
Gut microbiomes help bears with very different diets reach the same size
A recent study of the gut microbiome of Alaskan brown bears (Ursus arctos) shows that the microbial life in bears' guts allows them to achieve comparable size and fat stores while eating widely different diets. The work sheds ...
Plants & Animals
Sep 22, 2022
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131
Some female bears may select dens near to people to keep the threat of males away
Some female bears may select dens for hibernation in areas nearer to human activity to keep the threat of males from them and their vulnerable newborn cubs, researchers suggest.
Plants & Animals
Jul 19, 2022
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100,000-year-old polar bear genome reveals ancient hybridization with brown bears
An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm interglacial period in the Pleistocene, leaving a surprising ...
Plants & Animals
Jun 16, 2022
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Spain searches for wounded bear and cub after brutal attack
Spanish authorities are trying to find a brown bear and her cub which were separated after a brutal attack by a male bear that was caught on camera by two onlookers.
Ecology
Jun 8, 2022
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How species form: What the tangled history of polar bear and brown bear relations tells us
A new study is providing an enhanced look at the intertwined evolutionary histories of polar bears and brown bears.
Plants & Animals
Jun 6, 2022
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What shapes gut microbiomes of Alaska's brown bears? Location, location, location
A recent study of Alaskan brown bears (Ursus arctos) finds that there is significant variation in the gut microbiome of bear populations, depending on where the bears live. The finding advances our understanding of the relationship ...
Plants & Animals
Apr 8, 2022
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Solving the disappearance of bears and lions with ancient DNA
An international team of researchers led by the University of Adelaide, suggest a change in climate is the likely cause of the mysterious disappearance of ancient lions and bears from parts of North America for a thousand ...
Ecology
Jan 4, 2022
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464
Why do brown bears frequent towns more than before?
Surveys have revealed an upward trend in the number of brown bears over the past three decades in Hokkaido, Japan's northernmost island. Researchers at Hokkaido University have been investigating the causes and implications ...
Plants & Animals
Nov 18, 2021
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Determining where the wild bears are
Large land animals have a significant impact on the ecology and biodiversity of the areas they inhabit and traverse. If, for example, the routes and stopping places of cattle, horses, sheep, and also those of wolves or bears ...
Plants & Animals
Nov 3, 2021
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