Finagle,The porcupine raises the guard hairs when they are excited or scared. It leaves the quills more exposed. Otherwise when it is relaxed the quills are underneathe the longer hair. Abusive comment hidden. (Show it anyway.)
The porcupine raises the guard hairs when they are excited or scared. It leaves the quills more exposed. Otherwise when it is relaxed the quills are underneathe the longer hair.