Some animals possess incredibly thick skin to survive hostile environments and predators. Examples include the sperm whale ...

The hippo may appear gentle, but it ranks high among deadliest animals due to its territorial nature and immense strength.

How many wild pandas are out there? Researchers have been trying to count them since the 1970s, when it is thought there were roughly 2,500 animals. That dropped dramatically in the 1980s ...

Animals, like humans, suffer and die from natural causes. This is particularly true of animals living in the wild, given their high exposure to, and low capacity to cope with, harmful natural ...