The smallest animal on earth is the tardigrade. The tardigrade is also known as the moss piglet or water bear.Continue Reading
Tardigrades are identified by their segmented bodies. These animals have eight legs. Tardigrades are described as looking like chubby and short caterpillars. They are found in a variety of locations around the globe, from the highest mountains to the deepest oceans.
Tardigrades are invertebrates. An invertebrate is an animal that lacks a backbone. Invertebrates represent a wide range of animal species from spiders to starfish to jellyfish. In fact, approximately 97 percent of all animals on the planet are invertebrates.Learn more about Zoology
There are two contenders for the world's smallest mammal, depending on whether one is going by length or weight. The world's lightest mammal is the Etruscan shrew, while the shortest is Kitti's hog-nosed bat.Full Answer >
The slowest living creature on Earth is the sloth, which is an herbivorous mammal that is primarily found in South and Central American rain forests. Sloths are especially slow on land because they have weak hind legs that provide little strength and because they have large claws that also hamper their ability to move.Full Answer >
According to a 2013 Discovery News article, researchers at Italy's Museo Geologico Giovanni Capellini analyzed a bird fossil that existed in China 160 million years ago. The dinosaur, named Aurornis xui, is thought to have been a small feathered animal with teeth, claws and a long tail.Full Answer >
Pigs are some of the cleanest animals on Earth. The reason for this is that they refuse to excrete near where they eat or sleep.Full Answer >