The cat brain weighs about 30g.
167
Whales and dolphins can't taste anything other than salt.
11
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
A puppy is born blind, deaf, and toothless.
16
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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