Dogs can make about 100 different facial expressions.
18
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Goldfish remember better in cold water than warm water.
29
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Ants began farming about 50 million years before humans thought to raise their own crops.
132
When you shave a guinea pig it looks like a little hippo.
19
Eagles mate while airborne.
44
The venom of a small scorpion is much more toxic than the venom of a large scorpion.
60