In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
When dragonflies mate, their tails form a love heart.
22
When cats are happy, they may squeeze their eyes shut.
10
Baby rabbits are called kittens.
6
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Dolphins have names for one another.
18