A machine controlled by AI that sprays bears with the chilli pepper chemical capsaicin could reduce dangerous confrontations ...

The grizzly bear (Ursus arctos horribilis) is also known as the North American brown bear. It is the third-largest bear belonging to the family Ursidae, which includes eight species of bears.

在讨论部分，研究人员指出，这些结果挑战了传统观点，表明棕熊雌性在配偶搜寻中可能发挥着比以往认为的更积极的作用。雌性棕熊在交配季节增加移动距离，可能是为了寻找高质量的配偶，同时也有助于避免杀婴行为。因为与多个雄性交配可以增加次年遇到幼崽可能父亲的概率，从而降低雄性杀婴的风险。这一行为与其他大型草食性动物雌性在繁殖季节增加活动的现象类似，如狍（Capreolus ...

The Kodiak bear is also a subspecies of the brown bear (Ursus arctos middendorffi) just as the grizzly is a brown bear subspecies. However, the Kodiak bear lives only on the islands of the Kodiak ...

Anywhere from 30-35,000 brown bears (Ursus arctos) inhabit Alaska. This includes grizzly bears, a subspecies of the brown bear. Brown bears grow larger in coastal areas of Alaska than inland ...

DESCRIPTION: Brown bears are usually dark brown in color, with shades varying from cream to black. The brown bear is characterized by a distinctive hump on the shoulders, a slightly dished profile to ...