Jellyfish as a species are actually older than dinosaurs and sharks.
383
There's a rare breed of pig that looks like a sheep.
14
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A lion in the wild usually makes no more than twenty kills a year.
186
A 42-foot sperm whale has about 7 tons of oil in it.
209