There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Dolphins have names for one another.
18
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
One litter of kittens can be produced by more than one father.
57
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