• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Porcupine

Porcupine - Erethizon dorsatum
Porcupine - Erethizon dorsatum
Click picture for more information
NPS Photo by Mike Laycock
 

Class

Mammalia
Order Rodentia
Family Erethizontidae
Genus Erethizon
Species dorsatum
Name/
History
The second largest native North American rodent (the beaver is the largest.
Size
Weight (lbs)

Male
10-15

Female
10-15

Young
Achieves
adult size
by fall

Height (ft)

2

2

Tail (in) 7-9
Rut September-October
Gestation 7 months
Birth April-May
# young 1
Age 5-7 years, up to 10 years
Habitat/
Range

Usually forested areas, dens in hollow trees, found throughout Canada, western United States to Mexico.

Food Buds, twigs, bark.
Predators Humans(road kill), some coyotes, bobcats, owls.
Disease Rabies
Communication

Grunts, groans, high-pitched cries.

Behavior/
Characteristics

Active at night, more at home in trees, does not hibernate, usually solitary, poor vision.



Did You Know?

Bull elk in the park.

A Rocky Mountain bull elk weighs between 700 - 800 pounds. Rocky Mountain elk were introduced to the park in 1914 and 1916. More...