Europe's two species of imperial eagle have also met with drastic decline.

The standards were topped by the imperial eagle, or "aigle" in French.

The Polish imperial eagle has one head, the Russian two.

Individual imperial eagles are particularly hard to identify because the birds look identical.

Under present guidelines, the park can sometimes seem as elusive as the imperial eagle.

Some writers believe it to be the imperial eagle of Rome.

At least since then the coat of arms of Schweinfurt has been an imperial white eagle.

During the medieval period, the imperial eagle was mostly single-headed.

Also symbolizing victory is the imperial eagle which can be seen in the distance.

As the husband of Napoleon's sister, he also had the right to use the imperial eagle.