There's not an animal on this planet that will copulate with anything that comes along.

世界上任何一种动物都不会饥不择食地寻找活物进行交配。

Oh, yes. So, the point of this exercise is for you to find someone to copulate with?

噢 是么, 所以这个游戏的重点是帮你找到可以交配的人?

And it just struts on over to the dead crow and jumps on top and copulates with it.

它趾高气扬地向死乌鸦走去，然后跳到死去同伴的身上和它交配。”

For you to find someone to copulate with?

帮你找到可以交配的人?

Moreover, only once they're out of the way can he reproduce and copulate with the females.

而且， 只有一旦他们离开了， 他才能与雌性动物繁殖和交配。

When observer females saw equal proportions of demonstrator females copulating with green and pink males, the observer females had no mate preference.

当雌性观察者看到同等比例的示范雌性与绿色和粉色雄性交配时，雌性观察者没有择偶偏好。

In contrast, if all the demonstrator females were copulating with green males, a hundred percent of observer females went with the majority and chose a green mate.

相比之下，如果所有示威者雌性都与绿色雄性交配，那么 100% 的观察者雌性会与大多数人一起选择绿色伴侣。

For example, when an observer female watched a second female select a green male to copulate with, the observer females overwhelmingly chose a green male when faced with their own mate selection.

例如，当一只雌性观察者看到另一只雌性选择一只绿色雄性与之交配时，雌性观察者在面对自己的配偶选择时绝大多数选择了一只绿色雄性。

The new study looked at 236 of these macaque males and found that more than 70 percent of them engaged in same-sex mountings, while only 40 percent of those males copulated with females.

这项新研究对 236 只雄性猕猴进行了观察，发现其中 70% 以上进行同性交配，而其中只有 40% 的雄性与雌性交配。

Even though modern genetics might be deflating our romantic notions about lovebirds, from a biological standpoint, pairing up with one individual and then copulating with others on the side makes a lot more sense than absolute sexual loyalty.

尽管现代遗传学可能会让我们对爱情鸟的浪漫概念嗤之以鼻，但从生物学的角度来看，与一个个体配对，然后再兼与其他个体交配，比绝对的性忠诚更有意义。