North American Porcupine (Erethizon dorsatum) on a tree branch. Porcupines are rodents with a coat of sharp spines, or quills.

- Image ID: EN12EX
North American Porcupine (Erethizon dorsatum) on a tree branch. Porcupines are rodents with a coat of sharp spines, or quills.
Aubrey Huggins / Alamy Stock Photo
Image ID: EN12EX
Location: Kingston, Ontario Canada