The typical laboratory mouse runs 2.5 miles per night on its treadmill.
A rat can last longer without water than a camel.
The mouse is the most common mammal in the US.
The elephant is the largest animal on land. But it is much smaller than the blue whale.
Are elephants really scared of a mouse? A mouse is so small compared to an elephant, that an elephant does not even know that there is a mouse close to it !!
The SIBERIAN TIGER is the largest cat in the world. It weighs up to 300kg (660 lbs) and can eat 27,2 kg (60 lb) of meat at one mealtime.
