Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The seahorse is the only fish to have a neck.
12
Denmark has twice as many pigs as there are people.
66
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
The elephant brain weighs about 6,000g.
274