porcupine

Synonyms:

hedgehog

Types:

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Old World porcupine

terrestrial porcupine

New World porcupine

arboreal porcupine

brush-tail porcupine, brush-tailed porcupine

porcupine with a tuft of large beaded bristles on the tail

Trichys lipura, long-tailed porcupine

porcupine of Borneo and Sumatra having short spines and a long tail

Canada porcupine, Erethizon dorsatum

porcupine of northeastern North America with barbed spines concealed in the coarse fur; often gnaws buildings for salt and grease

Type of:

gnawer, rodent

relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing