Dolphins have names for one another.
18
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
When dragonflies mate, their tails form a love heart.
22
One litter of kittens can be produced by more than one father.
57
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12