Of the four puffin species, the Atlantic puffin is the smallest.

在这四种海鹦种群中，大西洋海鹦体积是最小。

Which type of puffin is the smallest?

以下哪一种海鹦体积最小？

The gulls try to panic the puffins in the hope that they'll drop some of their sand eels.

银鸥试图威吓海鹦，使它们丢下几条口中沙鳗。

The pioneering effort paid off and expanded. There are now 1,300 puffins living on five Maine islands.

这次首创之举得到了回报，并将队伍不断壮大。现在，缅因5个岛上有1300只海鹦了。

Atlantic puffins look and walk similarly to penguins.

大西洋海雀和路企鹅似。

These were petrels, cape pigeons, or puffins, and their calls were deafening.

这是海燕、棋鸟和海鸭，它们吱吱喳喳叫声震得我们耳聋。

More than a century later, puffins have returned with help from humans.

1个多世纪后，海鹦在人类帮助下重新出现在了这里。

Puffins lay only one egg a year.

海鹦一年只下一颗蛋。

Scientists spied on Atlantic puffins, the distinctive tuxedoed birds with bright orange beaks.

科学家观察了北极海鹦，这是一种独特鸟类，其喙呈明亮橙色，仿佛穿着燕尾服。

At the end of the summer, the young puffins will leave these fishing grounds.

夏天结束时，这些年轻角嘴海雀将离开这一带捕鱼区。

The details about puffin proficiency are in the Proceedings of the National Academy of Sciences.

海鹦能力详细信息刊登在《美国国家科学院学报》上。

Kittiwakes and puffins are birds of the open ocean, but they come ashore to breed.

三趾鸥和角嘴海雀一般在开放海域活动，不过它们要来到岸边繁殖。

But last year, about two-thirds of puffins in the area produced young.

但去年，该地区约三分之二海雀产下了幼崽。

The National Audubon Society says that 60 percent of Atlantic puffins breed there.

国家奥杜邦协会表示，60%大西洋海鹦在冰岛繁衍。

It's a last resort to protect puffin eggs and chicks from being eaten.

这是保护海鹦蛋和小海鹦不被吃掉最后办法。

Puffins spend most of their lives at sea but when they return to land, they become burrowers.

海鹦一生中大部分时间都在海上度过，但当它们回到陆地时，它们就成了会挖洞鸟。

At the heart of the mission a very special species, the puffin.

这项使命核心是一个非常特别物种，海鹦。

With 80,000 puffins here, this is a city of seabirds all tucked safely beneath the ground.

这里有八万只海鹦，这是一座所有海鸟都安全藏在地下城市。

For four straight years, none of the puffins came back.

连续四年，都没有海鹦回来。

The main reason for the decreasing numbers is a drop in the population of small fish puffins feed on, such as herring.

海雀数量减少主要原因是其赖以为生小鱼（如鲱鱼）数量减少。