Lecture: Animal Migration

In this lecture, we'll examine how migrating animals navigate over vast distances.

在这堂讲座中，我们将探讨迁徙动物是如何在漫长的距离上导航的。

Some birds travel more than ten thousand kilometers between their breeding and feeding grounds.

有些鸟类在繁殖地和觅食地之间要飞行一万多公里。

Researchers have identified several mechanisms that appear to guide these journeys.

研究人员已经找到了几种似乎在引导这些旅程的机制。

Many species use the position of the sun during the day and the stars at night.

许多物种白天利用太阳的位置，夜间利用星星。

There is also strong evidence that certain animals can detect the Earth's magnetic field.

还有确凿的证据表明，某些动物能够感知地球的磁场。

Sea turtles, for instance, seem to return to the very beaches where they hatched.

例如，海龟似乎会回到它们当初孵化的那片海滩。

However, artificial lighting and climate change are increasingly disrupting these patterns.

然而，人工照明和气候变化正日益扰乱这些规律。

Understanding migration is therefore essential for designing effective conservation policies.

因此，了解迁徙对于制定有效的保护政策至关重要。