The Eastern grey kangaroo is one of the biggest kangaroo species in existence. Standing on its hind legs, it is more than two meters tall. It can jump up to 13.5 m. and reach a speed of 65 km/h over short distances.
Eastern grey kangaroos live in herds dominated by a single male. If a young male wants to challenge the group leader, a merciless fight will ensue where the two rivals kick and hit each other. The winner gets the females. The loser may die of exhaustion or from injuries – and, if he survives, he will often be cast out from the herd.
Sexually mature males are also called “stinkers” because they get a strong curry-like smell when they become adults.