Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Roosters can't crow if they can't fully extend their necks.
28
Maggots will only eat flesh if it is dead. For this reason, they are often used to remove the burnt skin from severe burn patients.
26
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Giraffes are unable to cough.
50