Bald eagles are popping out in healthy numbers around Colorado, where historically they were rare, a dramatic adaptation that lifts spirits. State wildlife biologists once deemed such a comeback impossible. Damming rivers to form reservoirs lured geese, created cottonwood nesting habitat and put water year-round in the South Platte River, which otherwise ran dry in late summer.
Using the deadly pesticide DDT was banned. Bald eagles augmented their fish-and-fowl diet by snapping up prairie dogs. And bald eagles proved increasingly resilient amid rapid urbanization.