It happens from the smallest animals to some of the largest and the most abundant, in terms of biomass, migrators are typically small fish like bristlemouths and lantern fish that are following the vertical migrations of the zooplankton.

从最小动物到一些最大和最，就生物量而言，者通常是小鱼，如刚毛鱼和灯鱼，它们跟随浮游动物垂直。

Another marathon migrator, the Arctic tern, has long been credited with the longest migration for its annual round-trip flight between the Arctic and Antarctic — an estimated 40,000 km in total.

另一种马拉松式者——北极燕鸥，因其每年在北极和南极之间往返飞行而长期被认为是最长——估计总共有4万公里。

But probably the most famous migrators of all are birds.

但最着名者可能非鸟类莫属。

You do have some incredible migrators among these whales.

这些鲸鱼中确实有一些非凡者。

So now I started to combine my stem cell releasers with my stem cell migrators.

所以我开始将我干细胞释放剂与干细胞移剂结合使用。

But ducks are some of the most prolific migrators of the bird world.

但鸭子是鸟类世界中最擅长物种之一。