Early American humans hunted car-size armadillos and used their shells for houses.
12
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Mosquitoes don't just bite you, they also pee on you.
11
One in three dog owners say they have talked to their pets on the phone.
427
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Rattlesnake mating sessions have been known to last more than 22 hours.
232