He aims to steal the king's harem. 它的目标是羚羊首领的眷群

167. But when you are king of the steppe,
     然而当你位居高位 称王称雄时
168. there's always someone waiting to claim your crown.
     总会有挑战者虎视眈眈 觊觎你的王位
169. This young buck fancies his chances.
     这只年轻的高鼻羚羊认为自己可以一试
170. He aims to steal the king's harem.
     它的目标是羚羊首领的眷群
171. The challenger charges, ready to do battle.
     挑战者冲锋 准备战斗
172. This could be a fight to the death.
     这可能会是一场殊死搏斗
173. 70% of rutting males will die.
     发情期中的雄性羚羊有70%会失去生命

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 170 行