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.

尽管现代遗传可能会让我们对爱情鸟的浪漫概念嗤之鼻，但从生物的角度来看，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。

But for male birds, music is actually part of a testosterone-fueled mating ritual.

但是对于雄鸟而言，歌声实际上只是由雄性激素引发交配仪式的一部分内容。

The brief courtship complete, there isn't a moment to lose.

它们的交配很短暂，不浪费一分钟。

This rabbit had no natural enemies in the Antipodes, so that it multiplied with that promiscuous abandon characteristic of rabbits.

这种兔子在澳大利亚及新西兰没有天敌，因此便兔子所特有的杂乱交配迅猛繁殖起来。

In order to mate again, he has to wait for all his eggs to hatch, so he sacrifices the slowpokes to free himself up for more baby-making.

为了可再次交配，他必须去等待这些幼卵完成孵化，这样它就可获得继续交配从而繁衍后代的机会。

And it is an important factor in their mating decisions.

这也是它们的交配抉择中的重要考量因素。

And that's the sound of the mating call so they can respond to us.

这是交配的声音信号，这样它们就会对我们做出回应。

Hares have long been thought to behave excitedly in March, which is their mating season.

人们一直认为野兔在三月会变得兴奋异常，因为三月是它们的交配季。

It's also important the embryos have no inbreeding – breeding of a young animal from two closely related parents, because this can cause disease.

同样重要的是，该胚胎不是近亲交配而来，近亲交配指的是幼仔由亲缘关系密切的父母繁殖而来，因为近亲交配可能导致疾病。

And for a successfully mated female, her work is only beginning.

而对成功交配的雌蚁而言，她的工作才刚拉开序幕。

It has been a... challenging mating season for Birdperson.

鸟人的交配季真是 不容易啊。

Dr Aisenberg and Dr Barrantes observed the process 17 times in pairs of Leucauge argyra.

isenberg博士和Barrantes博士观察了17对长角银腹蛛的交配过程。

Some research that's gained traction recently involves genetically modifying mosquitoes so that they wouldn't be able to properly reproduce or that they would effectively kill any other mosquitoes that they mated with.

一些最近获得关注的研究涉及到了转基因蚊子，转基因后它们就不能正常繁殖或者它们会有效地杀死它们交配过的其他蚊子。

Sharing a meal is a standard first step in the mating rituals of many mammals.

分享食物是许多哺乳动物交配仪式的标准第一步。

In spring, this Caribbean reef plays host to the fanatic mating of fish.

春天的时候，这个加勒比珊瑚礁是鱼类交配的绝好地点。

Autumn is mating season. And a couple of nomadic males have started shadowing their herd.

秋季是交配的季节。两只流浪的雄性猛犸象已经开始追寻他们兽群的足迹。

Zoo keeper Rukin said the temperature and humidity had to be just right for mating.

动物园管理员鲁金说，莫多龙交配需要适合的温度和湿度。

The researchers did not collect sleep data outside the mating season.

研究人员没有收集除交配季节外的睡眠数据。

Researchers are also looking for ways to encourage mating among the monkeys.

研究人员也在寻找鼓励绒毛蜘蛛猴交配的方法。

That's the insect where the female eats the male after mating?

就是那种雌性会在交配后吃掉雄性的昆虫吗？