Though once quite large , the population of the bald eagle across North America has drastically declined in the past forty years.(在過去四十年里穿越北美的禿頭鷹數(shù)量已經(jīng)急劇減少，但是它們曾經(jīng)數(shù)量眾多。)

Species like the bald eagle, peregrine falcon and osprey nearly disappeared.(象白頭鷹、游隼和鶚(一種魚鷹)等鳥種幾乎絕種。)

Fortunately, in 1972, a law was passed to ban DDT, which saved the bald eagle from total wipeout.(幸運的是，在1972年，通過了一項禁止使用DDT的法律，使禿鷹免遭滅頂之災。)

You are not going to see a bald eagle?(你不是要看到禿頭鷹了吧？)

The park is also home to many different types of wildlife including black and grizzly bear moose golden and bald eagle bighorn sheep mountain goat and whitetail and mule deer.(公園也是各式各樣野生生物的家，包括黑熊、灰熊、大角鹿，金鷲、白頭鷹、大角羊、山羊、白尾鹿和黑尾鹿。)

When the Endangered Species Act was signed in 1973, it was expected to protect charismatic fauna such as the bald eagle and Yellowstone's grizzly bears.(當1973年《瀕危物種法案》簽署時，人們期望它能保護一批引人注目的動物，如禿頭鷹和黃石公園的北美灰熊。)

Benjamin Franklin disliked the choice of the bald eagle as the national bird, and it was in a letter to his daughter, in 1784, that he proposed putting the Turkey in its place.(本杰明·富蘭克林就不喜歡把禿頭鷹作為國鳥，他在1784年給女兒的信中表明用火雞取代禿頭鷹的想法。)

Why not a horse, or a beetle, or a bald eagle?(為什么不是一匹馬，不是一個甲蟲或者是一個禿頭的老鷹呢？)

Engraving provides a clean, crisp outline resulting in beautiful concrete images like those shown above, Bald Eagle or colorful butterfly.(雕刻提供了一個干凈，清晰的輪廓像上面這些漂亮的具體的形象造成的，白頭海雕或五顏六色的蝴蝶。)

The bald eagle is a large, powerful, brown bird with a white head and tail.(白頭鷹體形很大，動作有力，羽毛呈灰色，腦袋和尾巴呈白色。)