Kangaroos are the largest living marsupials from the family Macropodidae. There are four species commonly referred to as the Kangaroo: the Red Kangaroo, the Eastern Grey Kangaroo, the Western Grey Kangaroo, and the Antilopine Kangaroo.

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Kangaroos are grazing herbivores, which means their diet consists mainly of grasses. They can survive long periods without water.

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Usually, female Kangaroos give birth to one Joey at a time. Newborns weigh as little as 0.03 ounces at birth. After birth, the joey crawls into its mother's pouch, where it will nurse and continue to grow and develop. Red Kangaroo Joeys do not leave the pouch for good until they are more than eight months old. Grey Kangaroo Joeys wait until they are almost a year old.

Source: defenders.org

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