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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
A new born kangaroo is small enough to fit in a spoon!
7