The bald eagle is a North American national treasure and the symbol of United States. Before the ink had dried on the Declaration of Independence, the Continental Congress issued the order to create an official seal for the nation.
Well, since you asked...
This task of creating a suitable design was entrusted to Benjamin Franklin, Thomas Jefferson, John Adams, and (in true congressional fashion), two other subsequent committees. Their work was judged and ratified by Charles Thomson, the Secretary of Congress at the time. A final decision wouldn't come for years.
Thomson selected the best elements from several drafts and combined them. One draft of the seal featured a small, white eagle as designed by William Barton. Thomson switched out the small bird with the American bald eagle we know today and the result officially became our National Symbol on June 20th, 1782.
But the eagle that came to symbolize the American Dream almost died out before its time.
It was identified after World War II runoff from farms treated with pesticides were poisoning the environment. A colorless, tasteless, and almost-odorless chemical pesticide known as DDT seeped into waters and contaminated local fish. Tainting the food source of the bald eagle lead to the laying of eggs with weakened shells. The shells were so fragile that they would break if the parent attempted to incubate them.
Amendments to the 1940 Bald and Golden Eagle Protection Act were made protect the bald eagle from anyone possessing (dead or alive), taking, transporting, killing, harming, or even bothering one. Any interaction required a strict permit from the U.S. Fish and Wildlife Service.
"Whatcha thinkin' about?" "I dunno, freedom and stuff."