The typical laboratory mouse runs 2.5 miles per night on its treadmill. A rat can last longer without water than a camel. The elephant is the largest animal on land. But it is much smaller than the blue whale.
Moths fly towards the blackest point which is behind the light.
The rhino is a primitive-looking animal. They have looked the same for thousands of years. The black rhino has three toes on each foot. Both the black and white rhino have two horns. The rhinoceros's horn is made of the same stuff found in our hair and fingernails which is called keratin.