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How large can an eastern gray kangaroo grow?

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Red kangaroos on the move — kangaroo A group of red kangaroos (*Macropus rufus*) using their powerful hind legs and feet to hop.

The eastern gray kangaroo (Macropus giganteus) can grow up to 2.1 metres (6.9 feet) in length. Additionally, some males of this species can reach a weight of as much as 90 kg (about 200 pounds).1