Described as the "king of the ancient Egyptian forest," the hypercarnivorous hyaenodonts were enormous mammals-imagine a hyena twice the size of a Kodiak bear-so successful they spread across the ...

Adult bears generally weigh between 100 and 635 kg (220 and 1,400 lb). Its largest subspecies, the Kodiak bear, rivals the polar bear as the largest member of the bear family and as the largest ...