George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Sharks have been on the planet longer than trees.
14
Cats recognise the voice of their owner, but never evolved to care.
22
Tigers can see 6 times better at night than humans.
305
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17