While deer may not instantly come to mind when thinking of dangerous animals, you should take caution if you come across this species in Yosemite National Park.

Black bears are skilled anglers, moving with surprising stealth and grace before striking at an unsuspecting fish.

Colorado once had different bear species roaming its wilderness, but sadly, that's no longer the case. Here's what we know.

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The iconic Polish tractor manufacturer Ursus, which filed for bankruptcy, has been sold to a Ukrainian entrepreneur.

Thiel, A., Hertel, A. G., Giroud, S. et al. 2023. The cost of research: Lasting effects of capture, surgery and muscle biopsy on brown bear (Ursus arctos) movement and physiology. Animal Welfare 32, ...

Ross, S. R. 2006. Issues of choice and control in the behaviour of a pair of captive polar bears (Ursus maritimus). Behavioural Processes 73 (1), 117–120. Stereotyped behaviour occurs in a wide ...