Did you know that according to Swiss law, social animals like guinea pigs must have a buddy with them and it's illegal to own just one? And were you aware that sea otters hold hands while sleeping so they don't drift away from one another? and believe it or not, did you know that Norway knighted a penguin? These are just some of the random happy facts that you can find in the list below. Compiled by Bored Panda, it's sure to put a smile on your face while also teaching you a thing or two. Don't forget to vote for the best!