The reindeer is the only mammal that can see UV light.
17
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sharks, like other fish, have their reproductive organs in their chests.
248
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Two dogs were among the Titanic survivors.
262
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Giant Anteaters' front legs look like a panda.
48