When cats are happy, they may squeeze their eyes shut.
10
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A new born kangaroo is small enough to fit in a spoon!
7
A group of kittens is called a "kindle".
10
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10