Dictionary says púas de puercoespÃn. But my family says espinas de puercoespÃn because to us púas sounds like barbed wire (or barbs anyway). Espinas sounds like thorns. Quill as in quill pen would be plumas (feathers). Porcupines definitely don't have feathers.
Go with Espinas de puercoespÃn.
a porcupine has quills
An adult porcupine can have up to 30,000 quills on its body.
A porcupine has quills to defend themselves against harm's way (defend them from predators).
it has about 30,000 quills
the porcupine is born with its quills a@#$@#*.
Porcupine bristles are called 'quills'. The quills are large and hollow.
Porcupine quills can range from 6 cm to over 20 cm in thickness.
The quills area porcupine's best defense. If a porcupine did not have any quills, it may not be able to defend itself.
Porcupine
Puerco espín.
One animal that can eat a porcupine is the fisher. Fishers have thick fur that protects them from the porcupine's quills. They are also skilled at attacking the porcupine's face, which is not covered in quills, to avoid getting injured.
While it is rare for a porcupine to kill a human with its quills, it is possible if the quills penetrate vital organs or cause a severe infection.