Dolphins have names for one another.
18
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
There's a rare breed of pig that looks like a sheep.
14
Early American humans hunted car-size armadillos and used their shells for houses.
12