ナショナルジオグラフィックのインスタグラム(natgeo) - 10月24日 13時26分

Photograph by Stefano Unterthiner @stefanounterthiner.

Two sub-adults Eastern Grey kangaroos are playing ‘boxing’. This behaviour is seen from early age in males and continues through most of their lives as they defend or fight for a harem.

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#boxing #Australia #play #kangaroo #male #fight

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