■ The national emblem of the United States, the Bald Eagle was threatened with extinction in the lower 48 states because of DDT (a type of pesticide) poisoning.
■ Humans are the most important source of mortality for this threatened species.
■ Bald Eagles occasionally hunt together. One flushes prey towards another.
■ Bald Eagles prefer fish, but they also eat large birds, mammals and carrion.
■ Clutch size is 1-3 eggs. Egg description is dull white, usually without markings.