Bald eagles are famous for their whirling nuptial flight, but eagle courtship includes any activities that establish a new pair bond or renew an existing one. At our Decorah, Decorah North, and Xcel Energy Fort St. Vrain nests, courtship usually begins in early October. Bonded pairs start working on their nests by bringing in sticks, large branches, and soft materials to replenish and rebuild them. As courtship deepens in December and January, eagles ramp up their nestwork, burying last year’s nestorations under