Climate change is altering the migration routes of animals worldwide.

气候变化正在改变世界各地动物的迁徙路线。

Birds sometimes move meals long distances, but no known migration route covers these two areas.

鸟类有时能长距离运送食物，但这两地之间并没有已知的迁徙线路。

Following the reindeer's natural migration route is what allows the Saami to live this far north.

跟随驯鹿的自然迁徙路径是萨米人得以在如此极北部的地区生存的诀窍。

Earlier this month, the EU revealed plans to enhance cooperation with key countries on migration routes, especially Libya.

本月初，欧洲发布了一些计划以加强和偷渡沿线上主要国家，尤其是利比亚的合作。

A recent UN report describes the US-Mexico border is the most dangerous land migration route in the world.

联合国最近的一份报告称，美墨边境是世界上最危险的陆路移民路线。

Nearly 500 people died or disappeared on West African migration routes last year, data from the International Organization for Migration shows.

国际移民组织的数据显示，去年有近500人在西非移民路线上死亡或失踪。

They even followed birds on their migration routes to find their way to new islands!

他们甚至在迁徙路线上跟随鸟类寻找通往新岛屿的道路！

Which the ancient ancestors of modern-day Native Americans used as a migration route from Asia into the previously uninhabited Western Hemisphere about fifteen thousand years ago.

大约一万五千年前，现代美洲原住民的远古祖先通过这条路从亚洲迁徙到此前无人居住的西半球。

It makes adjustments to stipulations on the protection of wild animal migration routes, compensation for livestock losses caused by wild animals, and a national biodiversity protection campaign.

调整野生动物迁徙路线保护、野生动物造成牲畜损失补偿、国家生物多样性保护等规定。

The grim scenes in Libya lie at the heart of a complex web of migration routes all of which have Europe as their destination.

利比亚的严峻景象位于复杂的移民路线网络的中心， 所有这些路线都以欧洲为目的地。

So when a banded bird is recaptured and reported, we learn about its migration route, its growth and how long it's been alive, its lifespan.

因此，当一只带状鸟类被重新捕获并报告时，我们可以了解它的迁徙路线、它的生长以及它的存活时间和寿命。

But the problem, well, as natural habitat along these migration routes is developed by humans for housing or agriculture or cleared for raising cattle, for instance, there's less food available for migrating hummingbirds.

但问题是，由于这些迁徙路线沿线的自然栖息地是人类为了住房或农业而开发的， 或者是为了养牛而清理的，因此可供迁徙蜂鸟使用的食物较少。

" What we're seeing right now, effectively, people trafficking, smugglers, criminal gangs, exploiting our asylum system to bring in economic migrants and people that quite frankly are circumventing our legal migration routes to come into our country illegally" .

" 我们现在所看到的，实际上是人口贩运、走私者、犯罪团伙，利用我们的庇护制度非法移民以获得经济回报，坦率地说，这些人正在规避我们的合法移民路线，非法进入我们国家。"

But to understand more about how to protect and support hummingbirds the best we can, we've got to learn more about their breeding, nesting sites, and migration routes, and also about the natural habitats we find there.

但为了更多地了解如何尽我们所能保护和支持蜂鸟，我们必须更多地了解它们的繁殖、筑巢地点和迁徙路线，以及我们在那里发现的自然栖息地。