In 1782, there were 100 000 species in each region; however, in the course of the 19th century and in the first half of the 20th century the number declined from state to state.

America's national symbol: it was something vigorous to select while England and Russia have Lion and Bear.

Saved at the 11th hour of its extinction

Has wings at the length of up to 2 metres

Unique to the North American continent

In 1940s it was threatened with extinction.

In 1960s there were fewer than 450 nesting pairs in the USA

DDT pesticides were widespread throughout the states.

The chemicals were thrown into rivers and streams.

They were consumed by fish. In turn, eagles eat those fish.

As a result, they lay weak eggs unable to hatch.

124 eagles were hatched artificially at Patuxent.

Now, more than 4 000 breeding pairs have been removed from the list of endangered species.

They were listed as endangered in 1967

Protected by 3 acts of Congress, with 2 other acts banning theft, sale or possession.

Congress passed Bald Eagle protection act.