Great Seal of the United States of this number is a common motif in the seal. The official description of the seal states that there should be thirteen stars in the "glory" above the eagle's head, thirteen stripes on the shield, and thirteen arrows in the eagle's talon. The initial description of the reverse specified thirteen [[step pyramid|levels to the pyramid]], and though the number was left out of the final version, all depictions typically still show thirteen levels. Also by custom, since 1885 there are thirteen leaves and thirteen olives on the olive branch. [[File:GreatSealPress.jpg|thumb|The press and cabinet, made in 1903]] In the Department of
Dietary biology of the golden eagle with some frequency in some areas, but are unknown in other areas. In one instance in Norway, a pair of golden eagles harassed a newly formed pair of white-tailed eagles so persistently that the white-tails abandoned their nesting attempt. This relationship between the two eagle species is particularly aggressive in Scotland where the white-tailed eagle has been reintroduced recently. In the Scottish Highlands, a white-tailed eagle was found dead with talon piercings in its skull likely from a female golden eagle it had been interacting with the previous day. There are at least two known instances of Scottish white-tailed eagles