Castleisland is a town and commercial centre in County Kerry in south west Ireland. The town is known for the width of its main street. As of the 2022 census, Castleisland had a population of 2,536.

The bald eagle is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle, which occupies the same niche as the bald eagle in the Palearctic. Its range includes most of Canada and Alaska, all of the contiguous United States, and northern Mexico. It is found near large bodies of open water with an abundant food supply and old-growth trees for nesting.