Female black widow spiders eat their mates.

黑寡妇蜘蛛会吃掉它们配偶。

" Is it a boy or a girl? " she asked delicately.

" 这是雄还是？" 她委婉地问。

He could tell the difference between the blowing noise the male made and the sighing blow of the female.

他能辩别出那雄发出喧闹喷水声和那发出喘息般喷水声。

The females here wear sponges on their beaks.

海豚喙上覆着海棉。

The last thing he sees are the open jaws of the female Tyrannosaurus Rex.

矮暴龙最后看到是霸王龙张开巨嘴。

He had saved the swan's life.

他救鹅命。

This is a young female green turtle.

这是一只年轻海龟。

This is when female seals give birth.

此时是海豹生产时候。

But these iconic trains are only half of the story of how the boys impress the ladies.

但标志性尾屏只是雄孔雀打动孔雀一半原因。

First, she identified 19 females who were looking after recently hatched young, and another 20 who had eggs.

首先，她找到19只照料新孵化幼虫蜘蛛以及20只刚产过卵蜘蛛。

Infected female mosquitoes pass the virus when they feed on animals.

受感染蚊在对动物吸血时传播病毒。

We had a finish line of pheromone-emitting females....

我们让释放信息素蛛作为终点线。

From this moment on, her cub's life is at risk.

从此刻起，雪豹幼崽生命陷入危机。

Bobcats usually hunt rabbits and small mammals, but this female has set her sights rather higher.

山猫一般捕猎兔子等小型哺乳动物，但这只山猫眼界更高。

She's found the bay's females live in very specific areas.

她发现鲨鱼湾海豚喜欢生活在非常特定地方。

There is one thing that'll calm them down though: the female touch.

不过有一种东西能让它们平静下来——果蝇触摸。

Driven by her maternal instincts, the female is the first to arrive on the scene.

受到母性本能驱使霸王龙率先回到现场。

One of them, the large snowy female, was his own Hedwig.

其中之一，就是那只大、雪白猫头鹰，是他自己海德薇。

But some critics think that biting females could somehow get into the genetically modified population.

但是一些批评者认为转基因蚊子也可能有专门叮咬人蚊子。

An adult female and her daughter.

一只成年雪豹和她女儿。