The necessarily mean initiation of clutches may possibly bump months later if 10 cm (3.9 in) or additional of snow is continue to on the ground in Wisconsin through March. The nest is usually seventy one to 97 cm (28 to 38 in) in diameter, with a necessarily mean of about seventy six cm (30 in), and can be up to 96 cm (38 in) tall following various a long time use.