The reindeer is the only mammal that can see UV light.
17
One in three dog owners say they have talked to their pets on the phone.
427
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Cows can sleep standing up, but they can only dream lying down.
745
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