The darker the color, the more favorable the climate conditions are for survival. The outlined areas represent approximate current range for each season. More on reading these maps.
Seek out an active tractor with a plow and you may just find dozens of Swainson’s Hawks combing the freshly-tilled ground for tasty vermiform morsels. Audubon's climate mode projects a 77 percent loss of current summer range by 2080, contracting across the west.