These kangaroos clearly were not respecting residents of this neighborhood when they decided to take a fight to the streets. (OK, so we can't exactly fault wild animals for their perfectly normal behavior, regardless of environment, but you catch our drift.)
The video, appropriately set to the music of Tchaikovsky, shows us kangaroo boxing can look an awful lot like a choreographed dance. Just look at how they balance their bodies on their muscular tails, while putting up their dukes:
The behavior is usually displayed by males fighting over a female or acting in self-defense.
We can only imagine what it's like being on the receiving end of those powerful kicks.