However, with the arrival of humans in Australia at least 50,000 years ago and the introduction of the dingo about 5,000 years ago, kangaroos have had to adapt.
Porén coa chegada do home á illa fai polo menos 50.000 anos, e coa introdución do dingo fai 5.000 anos, os canguros tivéronse que adaptar a estes depredadores.