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2 giorni fa · The grizzly bear (Ursus arctos horribilis), also known as the North American brown bear or simply grizzly, is a population or subspecies of the brown bear inhabiting North America. In addition to the mainland grizzly (Ursus arctos horribilis), other morphological forms of brown bear in North America are sometimes identified as ...
- Kodiak Bear
The Kodiak bear (Ursus arctos middendorffi), also known as...
- American black bear
The American black bear (Ursus americanus), also known as...
- Kodiak Bear
2 giorni fa · Bears of northern regions, including the American black bear and the grizzly bear, hibernate in the winter. During hibernation, the bear's metabolism slows down, its body temperature decreases slightly, and its heart rate slows from a normal value of 55 to just 9 beats per minute.
- Ursidae, G. Fischer de Waldheim, 1817
- Carnivora
9 ore fa · Bears need space to thrive – lots of it. A typical grizzly bear needs 80 to 965 sq km ( 50 to 600 sq miles) to find appropriate food and meet new mates. They look for deer by the river, catch ...
8 mag 2024 · Although North American brown bears are traditionally called grizzlies, this common name refers formally to the subspecies U. arctos horribilis, which is widespread across northwestern North America ( see grizzly bear ). Watch a wolf and bear interact in Russia's coniferous forests. A brown bear protecting its food cache from wolves.
- The Editors of Encyclopaedia Britannica
26 apr 2024 · ANIMALS. How can we protect grizzly bears from their biggest threat—trains? Railways are a magnet for hungry grizzlies in their critical habitat along the Continental Divide. Conservationists...
7 mag 2024 · Common Names. Brown Bear, Grizzly Bear, Kodiak Bear. Brown Bears have traditionally been referred to as Grizzly Bears in the non-coastal western U.S. Scientific Name. Ursus is Latin for "bear" arctos comes from Greek arktos, meaning bear. Evolutionary History. Phylogeny (Krause 2008) (Yu et al 2007)
