Animal Age

How old does a North American porcupine get? (age expectancy)

What is the maximal age a North American porcupine reaches?

An adult North American porcupine (Erethizon dorsatum) usually gets as old as 18 years.

North American porcupines are around 210 days in the womb of their mother. When born, they weight 491 grams (1.08 lbs) and measure 100 cm (3′ 4″). As a member of the Erethizontidae family (genus: Erethizon), their offspring is 1 babies per pregnancy. Fully grown, they reach a bodylength of 83.7 cm (2′ 9″).

As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.

A North American porcupine gets as old as 18 years

The North American porcupine (Erethizon dorsatum), also known as the Canadian porcupine or common porcupine, is a large rodent in the New World porcupine family. The beaver is the only rodent in North America that is larger than the North American porcupine. The porcupine is a caviomorph rodent whose ancestors rafted across the Atlantic from Africa to Brazil over 40 million years ago, and then migrated to North America during the Great American Interchange after the Isthmus of Panama rose 3 million years ago.

Animals of the same family as a North American porcupine

Not really brothers and sisters, but from the same biological family (Erethizontidae):

Animals that reach the same age as North American porcupine

With an average age of 18 years, North American porcupine are in good companionship of the following animals:

Animals with the same number of babies North American porcupine

The same number of babies at once (1) are born by:

Weighting as much as North American porcupine

A fully grown North American porcupine reaches around 7.42 kg (16.36 lbs). So do these animals:

Animals as big as a North American porcupine

Those animals grow as big as a North American porcupine: