When cats are happy, they may squeeze their eyes shut.
10
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Denmark has twice as many pigs as there are people.
66
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12