他们想让这些雄性动物和野生的雌性动物交配。

They want the males to mate with wild females.

《柯林斯英汉双解大词典》

对几种动物的研究表明，在选择配偶时，雌性更喜欢鲜艳的类胡萝卜素着色的雄性。

Studies of several animal species have shown that when choosing mates, females prefer males with brighter carotenoid-based coloration.

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但当年轻的雄性与很多亲密的同胞花费大多数时间捍卫领地、寻找伴侣时，雌性动物们却在独自安排她们的时间。

But whereas young males spend the bulk of their time with a couple close compatriots, defending territory and chasing mates, females spend a lot of time on their own.

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