When you shave a guinea pig it looks like a little hippo.
19
There's a rare breed of pig that looks like a sheep.
14
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Sharks, like other fish, have their reproductive organs in their chests.
248