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
Drivers kill more deer than hunters do.
660
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Sharks, like other fish, have their reproductive organs in their chests.
248
Cats and dogs can hear ultrasound.
350
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
When you shave a guinea pig it looks like a little hippo.
19