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
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Baby rabbits are called kittens.
6
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10