Polar bear
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The polar bear 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 species is sexually dimorphic, as adult females are much smaller. The polar bear is white- or yellowish-furred with black skin and a thick layer of fat. It is more slender than the brown bear, with a narrower skull, longer neck and lower shoulder hump. Its teeth are sharper and more adapted to cutting meat. The paws are large and allow the bear to walk on ice and paddle in the water.
Polar/brown bear hybrid taxidermy specimen on display at Natural History Museum at Tring in Hertfordshire, England
Polar bear skeleton
Bear skull
Carnivore
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A carnivore, or meat-eater, is an animal or plant whose food and energy requirements derive from the consumption of animal tissues whether through hunting or scavenging.
Lions are obligate carnivores consuming only animal flesh for their nutritional requirements.
Members of the plant kingdom can live on meat too, such as the Venus flytrap, a carnivorous plant.
The Bengal tiger's large canines and strong jaws reveal its place as an apex predator.
Lions are voracious carnivores; they require more than 7 kilograms of meat daily. A major component of their diet is the meat of large mammals, such as this buffalo.