Some Harlequin Ducks migrate from the Pacific Coast all the way to the Teton Mountains in northwestern Wyoming to breed in the summer. White markings on both drakes and hens help them disappear amidst turbulent white water and rocks. Predators, like Peregrine Falcons, have a hard time…

Some Harlequin Ducks migrate from the Pacific Coast all the way to the Teton Mountains in northwestern Wyoming to breed in the summer. White markings on both drakes and hens help them disappear amidst turbulent white water and rocks. Predators, like Peregrine Falcons, have a hard time…