When cats are happy, they may squeeze their eyes shut.
10
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Cats recognise the voice of their owner, but never evolved to care.
22
The head of a jellyfish is called the "Bell."
6
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The seahorse is the only fish to have a neck.
12
Penguins have a gland above their eye that turns saltwater into freshwater.
12
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40