The largest land carnivore in the world is the Polar Bear (Ursus maritimus) and also the brown bear (Ursus arctos), actually these two amazing animals have the same body, so it is not clear which one is bigger between Polar Bear and Brown Bear. But in both these species have almost the same body traits, the heaviest polar bear ever recorded has a weight of 1.003 kg and the heaviest Brown Bear ever recorded has a weight of 1135 Kg.