Kids Encyclopedia

Rhinoceros — The Rhinoceros often colloquially abbreviated rhino, is one of only five surviving species of odd-toed ungulates in the family Rhinocerotidae. Two of these species are native to Africa and three to southern Asia. Three of the five species—the (Javan, Sumatran and Black Rhinoceros)—are critically endangered. The Indian is endangered, with fewer that 2500 individuals remaining in the wild. …

Rat — Rats are various medium sized rodents. “True rats” are members of the genus Rattus, the most important of which to humans are the black rat, Rattus rattus, and the brown rat, R. norvegicus. Many members of other rodent genera and families are also called rats and share many characteristics with true rats. A rat has an average life …

Raccoon — The Raccoon (Procyon lotor), also known as the Northern Raccoon, Common Raccoon, Washer Bear or Coon, is a widespread, medium-sized, omnivorous mammal native to North America. Since the beginning of the twentieth century, they have also been widespread on the European mainland and in the Caucasus region, after having escaped from fur farms. Raccoons usually live together in …

Rabbit — Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world. There are seven different genera in the family classified as rabbits, including the European rabbit (Oryctolagus cuniculus), cottontail rabbit (genus Sylvilagus; 13 species), and the Amami rabbit (Pentalagus furnessi, endangered species on Amami Oshima, Japan). There are many other …

Quagga — The quagga is an extinct subspecies of the plains zebra, which was once found in great numbers in South Africa’s Cape Province and the southern part of the Orange Free State. It was distinguished from other zebras by having the usual vivid marks on the front part of the body only. In the mid-section, the stripes faded and …

Puma — The cougar (Puma concolor), also puma, mountain lion, or panther, is a mammal of the Felidae family, native to the Americas. This large, solitary cat has the greatest range of any wild terrestrial mammal in the Western Hemisphere, extending from Yukon in Canada to the southern Andes of South America. An adaptable, generalist species, the cougar is found …

Prairie Dog — The prairie dogs (Cynomys) are small, burrowing rodents native to the grasslands of North America. On average, these stout-bodied rodents will grow to be between 12 and 16 inches (30 and 40 cm) long, including the short tail. They are found in the United States, Canada, and Mexico. In the U.S., prairie dogs are primarily found west …

Potto — The Potto (Perodicticus potto) is a strepsirrhine primate from the Lorisidae family. It is the only species in genus Perodicticus. The name “Potto” possibly comes from the African word “pata”, which means tailless ape. The Potto is also known as Bosman’s Potto, after its supposed discoverer, and in some English-speaking parts of Africa it is called a Softly-softly. …

Porpoise — Porpoises are small cetaceans of the family Phocoenidae; they are related to whales and dolphins. They are distinct from dolphins, although the word “porpoise” has been used to refer to any small dolphin, especially by sailors and fishermen. The most obvious visible difference between the two groups is that porpoises have flattened, spade-shaped teeth distinct from the conical …

Porcupine — Porcupines are rodents with a coat of sharp spines, or quills, that defend them from predators. Porcupines are the third largest rodent, after the capybara, and beaver, and are not to be confused with hedgehogs which are Erinaceomorphs. Most porcupines are about 25-36 inches (60-90 cm) long, with an 8-10 inch (20-25 cm) long tail. Weighing between 12-35 …