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
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A puppy is born blind, deaf, and toothless.
16