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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Dogs sometimes fake being sick to get attention.
26
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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