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The compressive and tensile strengths (the stresses at which the bone would fail) of the cranium were respectively 180 and 130 MPa (26,000 and 19,000 psi) so the skull was clearly reinforced for something other than just the bite. For comparison, the peak stresses of felids and canids can range from 5.6–21.8 MPa (810–3,160 psi). [18]
Their wide, short jaws could generate enormous bite force. It is not certain how this force was used by the living animal; a study designed to determine how the genus fed discovered that among living bears, the lowest bite force belongs to the predatory polar bear, which feeds largely on blubber, and the highest bite force belongs to the giant ...
The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed.The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
The bear then tries several paw swipes to the head, but the walrus's skull is too thick to land a killing blow. As the walrus flees, the bear holds on and gets dragged into the ocean, afterwards, the walrus turns around, goring the bear with his tusks. The bear, wounded and running out of air, heads straight back to the surface.
A grizzly bear had just taken a “good chomp right to the bone” on his leg. The bear dropped him. ... The most painful bite, the one that went “right to the bone” and elicited Burke’s ...
Bite force quotient (BFQ) is a numerical value commonly used to represent the bite force of an animal adjusted for its body mass, while also taking factors like the allometry effects. The BFQ is calculated as the regression of the quotient of an animal's bite force in newtons divided by its body mass in kilograms. [ 1 ]
The ulna is estimated to have been 48.5 cm (19 in) long when complete- for comparison, modern subadult polar bear ulnae are 36–43 cm (14–17 in) long. [1] The ulna was dated to the early Weichselian of the Late Pleistocene (~70kya). [2] Of the 16 specimens identified as Pleistocene polar bears, this is the only fossil ascribed to this ...
USA, Wales, Alaska — Myomick was attacked and killed by a polar bear in the small village of Wales, Alaska. The attack happened at 2:30 pm. The polar bear had chased several residents of the community, before it killed the woman and her 1-year-old son. The bear was shot and killed by a local resident as it attacked the pair. [46] [47]