Scientists from the University of Massachusetts Amherst, Vanderbilt University and Clark University have shed new light on the genomic foundation of the polar bear's ecological adaption by pinpointing rapid changes in the ...
Plants & Animals
Jun 17, 2019
0
107
More time stranded on land means greater risk of starvation for polar bears, a new study indicates.
Plants & Animals
Feb 13, 2024
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27
A Colorado State University experiment spanning more than two decades has found that removal of apex predators from an ecosystem can create lasting changes that are not reversed after they return—at least, not for a very ...
Plants & Animals
Feb 6, 2024
0
323
Were dinosaurs already on their way out when an asteroid hit Earth 66 million years ago, ending the Cretaceous, the geologic period that started about 145 million years ago? It's a question that has vexed paleontologists ...
Paleontology & Fossils
Jan 25, 2024
0
234
A team of biologists, historians, and Earth and environmental scientists affiliated with multiple institutions in the U.S. has found evidence that contradicts historical accounts of the size and feeding habits of the now-extinct ...
In northern Yellowstone National Park, saplings of quaking aspen, an ecologically important tree in the American West, are being broken by a historically large bison herd, affecting the comeback of aspen from decades of over-browsing ...
Plants & Animals
Aug 29, 2023
0
129
Grizzly bears in the Greater Yellowstone Ecosystem have been able to gain the body fat they need for hibernation even as population densities have increased and as climate change and human impacts have changed the availability ...
Plants & Animals
Jun 6, 2023
0
18
Animal behavior experts at Nottingham Trent University and Harper Adams University investigated more than 100 previous research papers exploring the various ways in which visitors impacted behavior across more than 250 species ...
Ecology
May 23, 2023
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143
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 ...
Ecology
Feb 3, 2023
1
101
Sometimes a name is just a name. Take bears, for example. In Yellowstone National Park, black bears outnumber their brownish-colored grizzly bear cousins, and in coastal areas of the Pacific Northwest, if someone says "brown ...
Plants & Animals
Dec 16, 2022
0
929
