Bald eagles thrive while goldens face rising threats around West

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.

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