But an unguarded chick is desperately vulnerable.

没有保护的雏鸟极为脆弱。

They have one baby bird, or chick, every two years.

他们每两年生一只幼鸟或雏鸟。

Fledging is the moment when the baby bird leaves the nest.

雏鸟长出飞羽，它们离巢的刻。

The young chicks fly out to sea about five months after they hatch.

雏鸟孵化后大约五个月就会飞向大海。

This chick is a sign of hope in difficult times.

在艰困期，这只雏鸟希望的象征。

If the chicks aren't fed regularly, then they will die.

如果雏鸟不能定期得到喂食，它们就无法存。

She says the example song might come from the chick's father.

她表示，典型歌曲可能来自于雏鸟的父亲。

At last. Both chicks will get a meal.

总算回来了。两只雏鸟都能饱餐一顿。

If her chicks are going to hatch, she must stay on the nest.

要使雏鸟孵化它得呆在巢上。

Now all that was needed were the parents, but they were absent.

现在我们需要的雏鸟的父母，但它们不在。

I gave the homeowner a recording of the hunger screams of owl chicks.

我给了房主一段猫头鹰雏鸟饥饿尖叫的录音。

In late March, more than 100 painted stork chicks were also poached in Cambodia.

3月下旬，柬埔寨也有100多只彩绘鹳雏鸟被偷猎。

But large birds called brown skuas eat the penguin eggs and small chicks.

但一种叫贼鸥的大型鸟类吃企鹅蛋和小雏鸟。

" The baby bird had to struggle to spread its wings and fly" .

" 这只雏鸟不得不挣扎着展开翅膀飞起来。"

Skuas harass the colony, hoping to snatch a chick.

贼鸥不断侵扰着企鹅种群，希望能趁机叼走一只雏鸟。

I drove over and saw the chick in the nest looking healthy and active.

我开车过去，看见窝里的猫头鹰雏鸟健康又泼。

New-born chicks can then imitate their mom's call within a few days of entering the world.

新生的雏鸟在出生后几天内就能模仿妈妈的叫声。

And, it turns out, same goes for songbirds in learning their duets.

而且事实也表明，鸣鸟也在雏鸟期学习的“二重唱”。

And over time, the baby bird tweaks that tweet, to make it its own.

随着间的推移，雏鸟不断调整这种叫声，然后演变成它自己的叫声。

And we do know that this past breeding season, there were no surviving chicks in the wild.

我们还掌握到，在刚刚过去的繁殖季节，野外没有幸存的雏鸟。