Scientists learn about monarch butterflies migration by capturing and placing identifying tags on the insects.

科学家是通过捕捉王蝶并在它们身上贴上识别标签来研究它们的迁徙的。

The national band played for the visiting monarch.

国家乐团演奏给来访的王听。

All through history, we've seen royal families, powerful people, emperors, have collections of animals.

纵观历史，我们看到皇室、有权势的人、王，都有动物收藏。

One of the most famous Stoic writers was also one of Rome's greatest emperors.

最著名的斯多葛派作家之一，同样也是罗马最伟大的王之一。

The fact that the population really increased tremendously in California last year.

实上，去年加州王蝶的数量真的大幅增长。

But yeah, " Monarch." Okay, yes. - Yeah, so... - Complex organization.

但确实，《王计划》。好的，对。- 是的，所以… … - 组织复杂。

But were they portraits of the emperor's soldiers?

它们究竟是王战士的肖像？

For example, monarch butterfly caterpillars can fit on a pencil eraser when they hatch.

例如，王蝶毛虫孵化时可以放在铅笔橡皮擦上。

Under the surface, in China's heart, these warriors still await command.

大地之下，在中国之心深处，这些勇士仍在等待着王的号令。

This can make it harder for monarchs to know when it is time to migrate.

这可能王蝶不确定迁徙的时间。

Monarch butterflies are known for their clear orange-and-black markings.

王蝶以其清晰的橙黑色斑纹而闻名。

Monarchs in the eastern United States spend the winter in Mexico.

美国东部的王蝶在墨西哥过冬。

What we find is that the monarchs strongly prefer the medicinal milkweed.

我们发现王斑蝶偏好药性乳草。

There's a sense of regal dignity and mirth, levity and gravitas.

这里有一种王般的荣誉，欢乐、轻松和庄严的感觉。

The average monarch lives about nine months.

王蝶平均能活大概九个月。

So, if you plant more of this, you get more monarchs, and monarchs are currently endangered.

所以，如果你种植更多的这种植物，就得到更多的王蝶，而王蝶目前正濒临灭绝。

These plants can help give monarchs the energy they need for their yearly migration in autumn.

这些植物可以帮助提供王蝶在秋季进行年度迁徙所需的能量。

Monarchs west of the Rocky Mountains usually spend the winter along the California coast.

落基山脉以西的王蝶通常沿着加利福尼亚海岸过冬。

Tina Shields is a water manager for the Imperial Irrigation District.

Tina Shields 是王灌溉区的水资源经理。

Each site provides the winter home for millions of monarchs.

每一个位置都为数百万只王蝶提供了过冬的家园。