Tough skin is one feature many animals have in common. The following ten animals have the toughest skin in the animal kingdom ...

Out of all of the pet possibilities out there, people come back to the same ten animals. Find out the ten most popular pets and why they are chosen.

What are the cutest animals seen on the big screen this century? It's a tough question to answer, and one that results in some... passionate responses. Seriously, though. I asked Twitter who they ...