Yes they do and they get deeper into the skin as a person tries to take it out.
a porcupine has quills
Porcupines have needles to protect themselves. Predators do not want to be stuck with the needles so they avoid hunting and eat this animal.
The porcupine uses its sharp quills for body armor. If a predator gets too close, the quills will stick to anything that brushes against them. The barbs get imbedded into the skin of the attacker, causing pain.
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 quills can range from 6 cm to over 20 cm in thickness.
Porcupine bristles are called 'quills'. The quills are large and hollow.
The quills area porcupine's best defense. If a porcupine did not have any quills, it may not be able to defend itself.
Porcupine
opossums do not have quills. You are thinking of the porcupine.
No, a porcupine's quills are not poisonous.