Porcupines are rodents with a coat of sharp spines, or quills, that defend them from predators. They are indigenous to the Americas, southern Asia, and Africa. Porcupines are the third largest of the rodents, behind the capybara and the beaver.
OmegaWiki Dictionary
Ω
porcupine A large rodent with long quills that stand straight up when it is attacked or surprised.