Any of the species of small spined monotremes in family Tachyglossidae, the four extant species of which are found in Australia and southern New Guinea.
Any of several families Hystricidae (Old World porcupines) or Erethizontidae (New World porcupines), both from the infraorder Hystricognathi, noted for their sharp spines or quills, which are raised when the animal is attacked or surprised.
A genus of Monotremata found in Australia, Tasmania, and New Guinea. They are toothless and covered with spines; - called also porcupine ant-eater, and Australian ant-eater.
Any Old Word rodent of the genus Hystrix, having the back covered with long, sharp, erectile spines or quills, sometimes a foot long. The common species of Europe and Asia (Hystrix cristata) is the best known.
Any species of Erethizon and related genera, native of America. They are related to the true porcupines, but have shorter spines, and are arboreal in their habits. The Canada porcupine (Erethizon dorsatus) is a well known species.
Any of the species of small spined monotremes in family Tachyglossidae, the four extant species of which are found in Australia and southern New Guinea.
Any of several families Hystricidae (Old World porcupines) or Erethizontidae (New World porcupines), both from the infraorder Hystricognathi, noted for their sharp spines or quills, which are raised when the animal is attacked or surprised.
A genus of Monotremata found in Australia, Tasmania, and New Guinea. They are toothless and covered with spines; - called also porcupine ant-eater, and Australian ant-eater.
Any Old Word rodent of the genus Hystrix, having the back covered with long, sharp, erectile spines or quills, sometimes a foot long. The common species of Europe and Asia (Hystrix cristata) is the best known.
Any species of Erethizon and related genera, native of America. They are related to the true porcupines, but have shorter spines, and are arboreal in their habits. The Canada porcupine (Erethizon dorsatus) is a well known species.