Macropus giganteus (Eastern Gray Kangaroo) is a species of mammals in the family Macropodidae. They are found in australasia. They are herbivores. Individuals are known to live for 25 years.
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.