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Which marsupial is known for the loud rutting roars of its males?

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Red kangaroo (Macropus rufus) — marsupial Red kangaroo (*Macropus rufus*). The home range of this species spans much of Australia's interior, and it is the largest member of the family Macropodidae.

The koala (Phascolarctos cinereus) is the marsupial known for the loud, ferocious-sounding rutting roars produced by its males.1

While marsupials generally have restricted vocal abilities compared to placental mammals, the male koala's vocalization during the mating season is a dramatic and unexpected exception to this trend.1