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Published on Jul 24, 2009
This clip from the BBC's Life of Mammals looks at the quest to be the dominant male in a group of grey kangaroos. To do this, they fight and winning the fight means that male will father most of the next babies. The little joey kangaroos have an entertaining attempt as well. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here: http://www.youtube.com/bbcearth