Like coral bleaching, spawning is also dependent on water temperatures.

就像珊瑚白化一样，产卵也和温度有关。

Hawk-like stripes do, then, provoke what is, from a cuckoo's point of view, the desired reaction: less of the sort of behaviour that is likely to interfere with her egg-laying mission.

从杜鹃的角度来看，鹰状条纹所起的主要作用就是它所希望看到的：如果缺乏这会则会影响到杜鹃的产卵任务。

Such leeway would make it easier for a female cuckoo to lay where she chose.

这样的空当就给了雌杜鹃自由选择巢穴产卵的机会。

Biologists say they're encouraged by the amount of reproductive activity they're seeing this time around.

生物学家称这次珊瑚产卵让他们深受鼓舞。

It's the annual event of coral spawning, when the colonies reproduced.

这是一年一度珊瑚产卵的时候，这时候寄生在珊瑚里的生物也开始繁殖。

And they keep breeding, laying their eggs in the earth in pastoral and agricultural lands.

而蝗虫还在继续繁殖，在牧场和农田里产卵。

So when flying north, they might lay eggs in Louisiana and die.

所以它们在向北飞的时候，也许会在路易斯安那州产卵然后死去。

Cuckoos would have good reason to do so, since the warblers and other small birds in whose nests they lay their eggs are understandably frightened of hawks, and give them a wide berth.

杜鹃有很好的理由去模仿鹰，由于莺和其它的小型鸟类在它们的巢中产卵，自然这些小型鸟类就很害怕鹰，并且对鹰敬而远之。

No although they can damage some small trees where they lay their eggs.

不危险，尽管它们会在产卵时损害一些小树。

A fly had flown and managed to lay her eggs in my wound.

一只苍蝇飞过，设法在我的伤口里产卵。

Atlantic salmon are anadromous, which means they can live in saltwater and fresh water.

大西洋鲑鱼是溯河产卵动物，这意味着它们可以生活在咸水和淡水中。

They mate, they lay eggs and they die.

它们交配、产卵，然后死亡。

That's why the flamingos go there to nest and lay their eggs.

这就是火烈鸟去那里筑巢产卵的原因。

Then, in the early spring, they drop off to lay their eggs.

然后，在早春的时候，它们就会掉到地上产卵。

Turtles lay their eggs in the sand. The temperature of the sand is important.

海龟在沙子里产卵。沙子的温度很重要。

Although these populations might be able to adapt by shifting their spawning grounds northward.

尽管这些鱼群可以通过将产卵地向北迁移来适应这一变化。

Dire because these penguins also lay their eggs and raise their chicks on sea ice.

不乐观是因这些企鹅也在海冰上产卵和抚育幼鸟。

Egg laying. It's time I made an egg sac and filled it with eggs.

“产卵。是我该做一个卵袋，在里面装满卵的时候了。”

To test the idea, he and colleagues recreated salmon redds in an experimental flume.

了验证这个想法，弗莱米尔和同事在实验水槽中重建了鲑鱼的产卵区。

And by then, animals had been laying eggs for millions of years.

而到那时，动物产卵已经有几百万年的历史了。