Hystrix sumatrae (Sumatran Porcupine) is a species of rodents in the family Old World porcupines. They are found in the indo-malayan realm. They are herbivores.
Definition: The largest scale biogeographic division of the earth's surface based on the historic and evolutionary distribution patterns of plants and animals.
Definition: The duration of the development from fertilized, deposited or implanted egg to hatching/birth. Corresponds to egg incubation duration in oviparous animals and to gestation period duration in viviparous animals.