- porcupine, hedgehog - relatively large rodents with sharp erectile bristles mingled with the fur
--1 is a kind of rodent, gnawer, gnawing animal
--1 has parts: quill
--1 has particulars: Old World porcupine; New World porcupine - hedgehog, Erinaceus europaeus, Erinaceus europeaeus - small nocturnal Old World mammal covered with both hair and protective spines
--2 is a kind of insectivore
--2 is a member of Erinaceus, genus Erinaceus
--2 has parts: quill