Dolphins have names for one another.
18
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
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