For male Kangaroos the greatest threat comes from within their own society and there is only one keen lesson to learn, he must become a fighter. Watch this struggle for battle play out as two males face up to one another. Taken from Life Story. Subscribe: http://bit.ly/BBCEarthSub

WATCH MORE:
New on Earth: https://bit.ly/2M3La96
Oceanscapes: https://bit.ly/2Hmd2kZ
Wild Thailand: https://bit.ly/2kR7lmh

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thoughtprovoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

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