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African Crested Porcupine

African crested porcupine

Hystrix cristata

The African crested porcupine is the largest porcupine in the world. It lives in hilly, rocky habitats in sub-Saharan Africa, North Africa and Italy.

The life of an African crested porcupine

The sharp, sturdy quills of the African crested porcupine give it highly effective protection against predators. Its body is covered with coarse quills 1 to 13 inches long and of varying thicknesses. Its most heavily armed area is its hindquarters, which have short, thick quills.

When it is confronted by a predator, the African crested porcupine raises the 12- to 13-inch quills along its head and back into a crest so its body appears larger and more threatening. If this strategy doesn't chase off the predator, the porcupine stamps its feet, clicks its teeth, and rattles its hollow-tipped tail quills. If this fails, it runs backwards and rams the attacker with the short, thick quills on its backside. The tips of its quills lodge in its enemy's skin, and the resulting wounds can disable or even kill the predator. Porcupines have been known to injure lions, leopards, hyenas, even humans.

African crested porcupines eat tubers, bark, bulbs, fallen fruit and cultivated root crops. They are nocturnal and forage alone at night, traveling up to 9 miles in their search for food. They return to the den and rest during the day. Though they forage alone, they live in small family groups made up of an adult pair and their young, both infants and juveniles. They develop elaborate burrows to house this family group.

African crested porcupines are monogamous. Mating is a thorny challenge because of the spines and quills of the two participants. Females usually have one litter per year after a pregnancy lasting about 112 days. One to 4 offspring, called "porcupettes," are born in a separate grass-lined birth chamber within the burrow system. The porcupettes are born with open eyes and developed teeth, though the quills on their backs are soft. They leave the den about a week later, just as their quills begin to harden.

African crested porcupines are 24 to 36 inches long, not counting their 3 to 6 ½ inch tail. They weigh between 22 and 66 pounds. They live about 20 years, both in the wild and in captivity.

African crested porcupine conservation

African crested porcupines are not endangered, but because they eat cultivated crops they are seen as agricultural pests. Farmers use dogs to hunt them or smoke them out of their burrows; in some areas, farmers illegally use poison to kill them. They are also killed for their quills, which are used as ornaments and talismans. In North Africa they are killed and sold to be used in traditional medicine.

Because they are rodents, their teeth keep growing throughout their lives, like beavers and rats. Keepers provide them with many opportunities to wear down their teeth. The zoo's horticulture team bring them logs, sticks and leafy branches, and Sharpie and Nolina carry these around and chew the bark off of them. Keepers also offer them antlers to carry around and chew. In the wild, porcupines have been known to collect and chew bones. 

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