The cat brain weighs about 30g.
167
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Sharks, like other fish, have their reproductive organs in their chests.
248
Giant Anteaters' front legs look like a panda.
48
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
Cats sleep for 70% of their lives.
8