Dolphins have names for one another.
18
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Tigers can see 6 times better at night than humans.
305
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
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Female kangaroos have three vaginas.
2