Brown bears roam across much of the northern hemisphere from the mountains of Spain to the prairies of the US. These bears are formidable carnivores that can weigh up to 751 kg (1,656 lb) and have claws 15 cm (6 in) long. With long canine teeth and a bite force of 6,800,000 pascals (1,000 psi), these bruins can easily crush bones. Brown bears roam across much of the northern hemisphere from the mountains of Spain to the prairies of the US. These bears are formidable carnivores that can weigh up to 751 kg (1,656 lb) and have claws 15 cm (6 in) long. With long canine teeth and a bite force of 6,800,000 pascals (1,000 psi), these bruins can easily crush bones. Ecology Phys.org – latest science and technology news stories