Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Squirrels forget where they hide about half of their nuts.
698
Lobsters have blue blood.
476
Dolphins have names for one another.
18