Early American humans hunted car-size armadillos and used their shells for houses.
12
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255