Erethizontidae

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Erethizontidae
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Erethizontidae

The Erethizontidae are a family of rodents known commonly as the New World porcupines. This family is native to North, Central, and South America. It is characterized by the presence of sharp spines or quills, which are modified hairs made of keratin. These quills are a defensive mechanism used to ward off predators.

Characteristics

Erethizontidae are typically large rodents with a chunky body, small face, short legs, and a thick, spiny coat. They have poor vision but a good sense of smell and hearing. These porcupines are primarily nocturnal and spend much of their time in trees. Their diet mainly consists of leaves, fruits, and bark.

Behavior

Members of the Erethizontidae family are mostly solitary and are known for their climbing ability. They use their strong claws to grip and climb branches and trees. When threatened, they may curl into a ball to protect their vulnerable undersides. The quills stand up and out when the porcupine feels threatened, and they can detach when they come into contact with another animal.

Reproduction

Erethizontidae typically have a slow reproduction rate. Females usually give birth to a single offspring after a gestation period that varies by species. The young are born with soft quills, which harden a few hours after birth.

Genera and Species

The family Erethizontidae includes several genera, such as:

• Erethizon - The North American porcupine
• Coendou - Several species known as prehensile-tailed porcupines
• Chaetomys - The bristle-spined porcupine

Conservation

While some species of Erethizontidae are abundant, others face threats from habitat loss and hunting. Conservation efforts are necessary to ensure the survival of the more vulnerable species within this family.

See also

• Rodentia
• Quill (feather)
• Mammal