They were followed in time by land animals.

随后，陆地上出现了动物。

Land animals have to seek water when they feel like there's a lack in their body.

陆地动物在感到身体缺水时不得不寻找水源。

Elephants are the largest living land animals.

大象是最大的陆生动物。

Sauroposeidon is the tallest land animal of all time.

波塞东龙是有史以来最高大的陆地动物。

That's because land animals stand, while fish float.

这是因为陆地动物是靠脚行走，而鱼是靠游的。

Most land animals, of course, don't die in sediments.

大多数陆生动物当然不会死在沉积物里。

But was being the biggest land animal as good as it seems?

但是作为最大的陆地动物真的像看起来那么好吗？

They probably don't feel thirsty like you or any other land animal.

他们可能不像你或任何其他陆地动物那样感到口渴。

The American buffalo is one of the largest land animals in North America.

美洲野牛是北美陆地上体型最大的动物之一。

Whatcheeria was an early tetrapod, as the first land animals with backbones were known.

瓦切螈是一种早期的四足动物，作为第一批有脊椎的陆地动物而为人所知。

Other sequences come from land animals, including caribou, hares, mastodons, geese, lemmings and ants.

其他序列来自陆地动物，包括驯鹿、野兔、乳齿象、鹅、旅鼠和蚂蚁。

He's in a race against the biggest land animal on earth — African elephants.

他在与地球上最大的陆地动物赛跑——非洲象。

This herd of over one hundred thousand makes the longest migration of any land animal.

这群十万之众的驯鹿迁徙的旅程是所有陆地动物中最长的。

Let's start with a human and the heaviest land animal around today — an elephant.

我们先从人类，以及当今最重的陆地动物——大象开始。

Whales' ancestors were land animals that moved into the oceans about 50 million years ago.

鲸鱼的祖先是陆地动物，大约在5000万年前迁徙到海洋中。

They're the largest land animals on Earth, and can be fiercely aggressive if provoked.

它们是地球上最大的陆地动物，如果受到挑衅，会有很强的攻击性。

With long, long necks, and long legs, giraffes are the tallest living land animals.

长颈鹿有长长的脖子和腿，是世界上最高的陆生动物。

OK, that's the largest land animal on Earth today, but what's the biggest animal ever?

好的，这就是当今地球上最大的陆地动物，但有史以来最大的动物是什么呢？

Ants as a group are thought to make up over 15% of all land animal biomass.

蚂蚁被认为构成了超过陆地生物生物量的15%。

Reaching a length of 1.5 meters and 160 kilograms, this gentle omnivore is among the largest land animals of China.

大熊猫个性温顺，属杂食性动物，身长1.5米，体重达160公斤，是中国最大的陆地动物之一。