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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10