Dolphins have names for one another.
18
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A new born kangaroo is small enough to fit in a spoon!
7
One litter of kittens can be produced by more than one father.
57
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13