On the warmer plains and valleys that surround the plateau, grazers are on the move.

在高原周围温暖的平原和山谷, 食草在前进。

Smaller grazers are still found here, too.

这里也能找到小型食草。

Hundreds of years ago, animals known as grazers would simply have eaten this vegetation up.

几百年前，食草会直接吃掉这些植被。

They are grazers and live in flocks.

它们是草食，结群而居。

But those methane emissions might get cut—by feeding the grazers something called 3-nitro oxypropanol.

但在这些食草被喂食名为3-nitrooxypropanol的抗嗝化合后，甲烷的排放量正在减少。

The pronghorn lived alongside other grazers still around today, including bison.

叉角羚曾经与像今仍旧存活的野牛那样的其他食草共伴而生。

Wild horses first evolved here and became dominant grazers.

野马首先在这里代代繁衍，并主宰了这里的草地。

The East African savannahs support millions of grazers.

东非大草原养育着成千上万的食草。

These grazers find sustainment ingresses others have abandoned.

这些羚羊发现了一些别人剩下的食。

This chemical restricts blood flow to the grazer's extremities, which can lead to the loss of limbs.

这种化学质会限制食草的血四肢，进而引发肢体损伤。

They managed to survive the drought, eventually expanding in number to replace the horse as dominant grazer.

他们从干旱存活了下来，并最终在数量上超过了马，成为了最大的食草群体。

For grazers such as horses, this led to a massive change in habitat, one they were not flexible enough to overcome.

像野马这样的食草，它们的栖息地发生了大规模改变，而他们并没有足够的能力来适应这些改变。

And grasslands are made by grazers.

草原是由放牧者制造的。

To graze means to eat grass and other wild plants, and grazers are the animals, including horses, cows and goats, which do this.

“graze”的意思是吃草和其他野生植，而grazers是指食草，包括马、牛和山羊。

These phytoplankton then become food for countless microscopic grazers, including copepods and krill, which in turn feed a huge swath of marine life.

这些浮游植随后成为无数微型食草的食，包括桡足类和磷虾，它们反过来又为大量的海洋生提供食。

It's a long way to travel, but for a short period, the tundra is the ideal place for a grazer.

北极的苔原虽然路途遥远， 但仍有短短的一段时间是食草的天堂。

They become food for small grazers, forming the base of the food web, which extends back down to the Twilight Zone — and beyond.

它们成为小型刮食的食来源，形成食网的底层，食网随著深度延伸至中水层，甚至更远。

But just as deer and other grazers on land keep plants trimmed, many animals graze and trim back a coral reef's algae.

但正如陆地上的鹿和其他食草会修剪植一样，许多也会啃食并修剪珊瑚礁上的藻类。

Ungulates  would become staple grazers and browsers in many ecosystems, but they also served as prey  animals for a new class of carnivores.

有蹄类将成为许多生态系统中的主要食草和浏览器，但它们也成为一类新食肉的猎。

And secondly, grazers like herds of cattle and mule deer— whose natural predators we've hunted to the point of local elimination — are eating Pando's fresh growth.

第二，食草，如成群的牛和美洲黑尾鹿——它们的天敌已经被我们猎杀到几近局部灭绝的地步——会啃食潘多新生的枝桠。