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
0
131
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
0
95
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
2
1072
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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15
A new study is providing an enhanced look at the intertwined evolutionary histories of polar bears and brown bears.
Plants & Animals
Jun 6, 2022
1
145
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
0
6
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
0
464
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
0
1
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
0
2
Romania will soon conduct a census of its protected brown bears using DNA for the first time, with tensions raised between villagers fearing further attacks and conservationists warning against looser hunting laws.
Ecology
Aug 20, 2021
0
103
