The Bald Eagle Our bird the national bird is making a comeback in wildlife. In the past thirty years, the Bald Eagle was on the border of extinction in the lower part of the United States. Now, due to the ban of the pesticide DDT, and a supporting effort by wildlife managers, the population of the Bald Eagle is on the rise. The Eagles can be found in forests or in mountains, usually near lakes or rivers. Most of the time they eat fish , but will eat on waterfowl and small mammals. Bald Eagles usually nest in the tops of tremendous trees and cliffs. The nests that they build are enormous, sometimes seven to eight feet in width