Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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
Two dogs were among the Titanic survivors.
262