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
One litter of kittens can be produced by more than one father.
57
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A group of pugs is called a grumble.
10
When dragonflies mate, their tails form a love heart.
22
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12