Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The lungfish can live out of water for three years in a state of suspended animation.
48
How does a shark find fish? It can hear their hearts beating.
31
Ants began farming about 50 million years before humans thought to raise their own crops.
132
Lobsters have blue blood.
476
Dogs have four toes on their hind feet, and five on their front feet.
179
Roosters can't crow if they can't fully extend their necks.
28