Litter Size

How many babies does a North American porcupine have at once? (litter size)

How many baby North American porcupines are in a litter?

A North American porcupine (Erethizon dorsatum) usually gives birth to around 1 babies.

Each of those little ones spend around 210 days as a fetus before they are released into the wild. Upon birth, they weight 491 grams (1.08 lbs) and measure 100 cm (3′ 4″). They are a member of the Erethizontidae family (genus: Erethizon). An adult North American porcupine grows up to a size of 83.7 cm (2′ 9″).

To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.

The average litter size of a North American porcupine is 1

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.

Other animals of the family Erethizontidae

North American porcupine is a member of the Erethizontidae, as are these animals:

Animals that share a litter size with North American porcupine

Those animals also give birth to 1 babies at once:

Animals that get as old as a North American porcupine

Other animals that usually reach the age of 18 years:

Animals with the same weight as a North American porcupine

What other animals weight around 7.42 kg (16.36 lbs)?

Animals with the same size as a North American porcupine

Also reaching around 83.7 cm (2′ 9″) in size do these animals: