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Grizzly Bear

The Grizzly Bear, sometimes called the Silvertip Bear, has traditionally been treated as a subspecies, Ursus arctos horribilis, of the brown bear living in North America.

Note: The above text is excerpted from the Wikipedia article "Grizzly Bear", which has been released under the GNU Free Documentation License.

For more information, see the following related content on ScienceDaily:

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Missing Grizzly Bear Toes Results in Call to Change Practices

Aug. 25, 2022 — A researcher is suggesting changes to fur trapping practices to help prevent the accidental amputation of grizzly bear toes. The research is calling attention to a small number of grizzly bears in ...

High Protein Diet May Harm Polar Bears

Jan. 19, 2022 — A high protein diet appears linked to kidney disease and shortened lifespans for captive polar bears, a relationship similarly suspected in humans. A careful look at what zoos have fed polar bears ...

Hibernating Bears' Ability to Regulate Insulin Narrowed Down to Eight Proteins

Sep. 21, 2022 — Feeding honey to hibernating bears helped researchers find the potential genetic keys to the bears' insulin control, an advance that could ultimately lead to a treatment for human diabetes. ...

Bear Genes Show Circadian Rhythms Even During Hibernation

Nov. 16, 2023 — The internal clocks of grizzly bears appear to keep ticking through hibernation, according to a genetic study. This persistence highlights the strong role of circadian rhythms in the metabolism of ...

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Aug. 23, 2021 — The number of spectacled bears in Peru might be larger than suspected, a new study suggests. A team of researchers studied the population of the endangered species in Northern Peru. By identifying ...

Sequencing Puts Carnivore Chromosomes in Context

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Increasing Evidence That Bears Are Not Carnivores

Oct. 3, 2022 — Bears are not cats or dogs, and feeding them like they are likely shortens their lives. A new study on the diets of giant pandas and sloth bears adds more evidence that bears are omnivores like ...

Protecting Polar Bears: New and Improved Radar Technology

Oct. 18, 2023 — Research testing new technology to more effectively locate polar bear dens across the Arctic is showing promising results. Researchers hope that improving detection tools to locate dens -- which are ...

New Textile Unravels Warmth-Trapping Secrets of Polar Bear Fur

Apr. 10, 2023 — Engineers have invented a fabric that concludes the 80-year quest to make a synthetic textile modeled on polar bear fur. The results are already being developed into commercially available ...

What Shapes Gut Microbiomes of Alaska's Brown Bears? Location, Location, Location

Apr. 8, 2022 — 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 ...

Plants & Animals News

December 6, 2023

Mice Pass the Mirror Test, a Classic Indicator of Self-Recognition

Dec. 5, 2023 — Researchers report that mice display behavior that resembles self-recognition when they see themselves in the mirror. When the researchers marked the foreheads of black-furred mice with a spot of white ink, the mice spent more time grooming their ...

More Than a Meteorite: New Clues About the Demise of Dinosaurs

Dec. 4, 2023 — What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately set the stage for the dinosaur extinction, challenging the ...

Twin Research Indicates That a Vegan Diet Improves Cardiovascular Health

Nov. 30, 2023 — A recent trial of identical twins comparing vegan and omnivore diets found that a vegan diet improves overall cardiovascular ...

Brittle Stars Can Learn Just Fine -- Even Without a Brain

Nov. 29, 2023 — We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals. These shy marine creatures have no brain to speak of -- ...

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Artificial Light Is Luring Birds to Cities and Sometimes to Their Deaths

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Enhanced AI Tracks Neurons in Moving Animals

Dec. 5, 2023 — Scientists have developed a pioneering new method that uses deep learning and a new technique called 'targeted augmentation' to track neurons in moving and deforming ...

Plant Nurseries Are Exacerbating the Climate-Driven Spread of 80% of Invasive Species

Dec. 5, 2023 — Researchers have provided detailed maps of how 144 common invasive plants species will react to 2° Celsius of climate change in the eastern U.S., as ...

Reverse Metabolomics: New Method Finds Biomarker for Inflammatory Bowel Disease

Dec. 5, 2023 — Scientists' debut 'reverse metabolomics,' a groundbreaking approach to advancing microbiome research. They use the technique to discover hundreds of ...