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
When dragonflies mate, their tails form a love heart.
22
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
A new born kangaroo is small enough to fit in a spoon!
7
A puppy is born blind, deaf, and toothless.
16