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The porcupine is the prickliest of rodents, though its Latin name means "quill pig." There are about two dozen porcupine species, and all boast a coat of needle-like quills to give predators a sharp reminder that this animal is no easy meal. Some quills, like those of Africa's crested porcupine, are nearly a foot (30 centimeters) long. The North American porcupine is a large rodent it is actually North Americas second largest rodent the beaver is the largest. They have stout bodies and short legs and are nocturnal. Porcupines are herbivores; a group of porcupines are called a family their average life span in the wild is between 5 and seven years. They are 25 to 36 inches long from head to body and an additional 8 to 10 inches more for their tail and weigh 12 to 35 lbs.

Porcupines have soft hair, but on their back, sides, and tail it is usually mixed with sharp quills. These quills typically lie flat until a porcupine is threatened, then leap to attention as a persuasive deterrent. Porcupines cannot shoot them at predators as once thought, but the quills do detach easily when touched.

Many animals come away from a porcupine encounter with quills protruding from their own snouts or bodies. Quills have sharp tips and overlapping scales or barbs that make them difficult to remove once they are stuck in another animal's skin. Porcupines grow new quills to replace the ones they lose.

The porcupines found in North and South America are arboreal which means they are good climbers and spend much of their time in trees. Some even have prehensile (gripping) tails to aid in climbing. The North American porcupine is the only species that lives in the U.S. and Canada, and is the largest of all porcupines. A single animal may have 30,000 or more quills each quill has microscopic barbs on the ends. North American porcupines use their large front teeth to satisfy a healthy appetite for wood. They eat natural bark and stems, and have been known to invade campgrounds and chew on canoe paddles.

North American porcupines also eat fruit, leaves, and springtime buds.

Female porcupines have between one and four young, depending on the species. Babies have soft quills at birth, which harden within a few days. Most young porcupines are ready to live on their own at about two months of age.

The North American Porcupine has a very large range. They can survive in a variety of climates and elevations. Primarily they live in coniferous and mixed forested areas in Canada, Alaska, and much of the northern and western United States. There is a small population in the eastern United States. They can also be found in shrub lands, tundra, and deserts as far south as northern Mexico. The North American Porcupine likes to make its den in a hole in a tree or in a rocky area. Other porcupine species live in Africa, Europe, and Asia. These animals usually live on the ground and can inhabit deserts, grasslands, and forests.


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