Finally, tonight, we take a closer look at one of America's most revered symbols.

Despite centuries on the national seal and widespread assumption, the bald eagle has never

officially been designated as the U.S. national bird.

Our John Yang has this report on the effort to change that and why it matters.

Along the Mississippi River, about 80 miles south of Minneapolis,

a bald eagle glides high above the water, searching for prey.

This area is home to more than 50 nesting pairs of bald eagles,

one of the highest concentrations in the country.

It's why tiny Wabashaw, Minnesota is called the Eagle Capital of America.

Who cannot love that big, massive beak, that bright plumage, the yellow feet, the black talons?

It's just a ball-inspiring.

Scott Mayhous is the education director at the recently renovated National Eagle Center in the heart of Wabashaw.

15,000 square feet entirely dedicated to this stately creature.

Everybody has a story when we're here at the Eagle Center.

They want to come and share that story.

Ladies and gentlemen, it is my... People can learn all about the Eagle from its size, diet, and habitat

to its central place in American history and culture.

A trove of the Center's Eagle memorabilia was donated by retired real estate investor Preston Cook.

I was asking an ornithologist friend of mine from Canada what he sees when he sees an eagle.

And he says, I see an eagle.

But when an American sees an eagle, we see something a little bit different.

We see the freedom, the liberty, the independence, the power.

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