Among the birds, the eagles are the most formidable and dangerous of the lot, but one extinct eagle puts all the others to shame.

For centuries, the bald eagle has been a ubiquitous symbol for the country, almost as recognizable as the American flag. The bird, with its bright yellow beak, long wingspan and beady eyes ...

Male bald eagles generally measure 3 feet from head to tail, weigh 7 to 10 pounds, and have a wingspan of about 61/2 feet. Females are larger, some reaching 14 pounds and having a wingspan of up ...

(Photo credit: Houston SPCA) (Photo credit: Houston SPCA) Bald eagles can dive at nearly 100 mph. Their wingspan can stretch wider than the length of a compact car. Once on the edge of extinction ...