And you have lemmings...that’s a nest indicating that lemmings are reserved...somewhat abundant.

有鼠...这一个巢表明有鼠...量有点儿大。

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、鼠和蚂蚁。

The DNA also showed the presence of animals including geese, hares, reindeer and lemmings.

DNA显示了鹅、野兔、驯鹿和鼠等动物存在。

After just five weeks, these pups will be weaned and they will mostly eat lemmings.

仅仅五周后，这些幼崽就能断奶转而以鼠为主食。

For lemmings, small fussy rodents, there is no place more comfortable than the Arctic tundra.

对于鼠这种小而挑剔啮齿类动物来说，没有比北极苔原更舒地方了。

Almost everything they eat is the brown lemming here.

它们吃几乎都棕色鼠。

Strong stomach acid digests the flesh, but the bones and furs of the lemmings are regurgitated.

强烈胃酸消化着鼠肉，但鼠骨骼和毛被反刍出来。

Lemmings periodically commit mass suicide, and no one knows just why!

鼠会周期性地进行大规模自杀，但没人知道究竟为么！

The lemming relies on the snow to hide.

鼠要依赖雪来藏身。

With so many arctic foxes on the tundra, it's easy to see what is happening to all the lemmings.

苔原上出现这么多北极狐，等待着鼠们么就显而易见了。

But their numbers have fallen recently as has been the number of lemmings.

但它们数量最近有所下降，鼠数量也有所下降。

Upon reaching the coast, the lemmings do not stop but swim by the thousands into the surf.

到达海岸后，鼠们并不会就此止步，而数千只鼠一起游进海浪里。

The lemmings eat everything in their path, continuing their destructive march until they reach the sea.

鼠会把路上所有东西都吃掉，一直继续着它们破坏性行进直到到达海边为止。

Despite occasionally congregating in huge numbers the lemming prefers a solitary life style.

除了偶尔大量聚集以外鼠更喜欢独居生活。

When their food supply is sufficiently large, the lemmings live a normal, undisturbed life.

当它们食物供应充足时候，鼠们过着平常、不受侵扰生活。

So there is lemmings here... so good side you have...seven eggs or five chicks or two eggs right now.

这里有鼠，你来很时候，现在有七个蛋… 五只雏鸟，两个蛋。

The lemming is one such animal.

鼠就这样一种动物。

The lemmings leave their nests all together at the same time, forming huge crowds.

鼠会在同一时间一起离开它们巢穴，组成巨大迁徙群体。

However, when the lemmings' food supply becomes too low to support the population, a singular migration commences.

但，当它们食物供应少到无法喂饱整个族群时，一次非凡迁徙就开始了。

Great numbers of the lemmings begin a long and hard journey across the Scandinavian plains, a journey that may last weeks.

大量鼠开始踏上一段穿越斯堪纳维亚平原，又长又艰苦程，这个程也许会持续好几个星期。