The Bicknell's thrush uses a unique and ingenious breeding system among birds: Both sexes mate with multiple partners in a season — resulting in egg clutches fathered by several different males. This ...

Typically bold, buffy eye ring and supraloral patch of most Swainson’s thrushes distinctive ... Breeding: mostly in deciduous and/or mixed forest; birds in western U.S. primarily nest in ...

Michael Sanchez had traveled from Vancouver, Washington to northwest Oregon last week to take photographs of waterfalls – not birds. An amateur photographer, Sanchez, 41, figured the scenic ...