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.
A popular duck that winters across the US, the males are known for their dramatic black and white "hoods" that give them their names. Audubon's climate model projects a 65 percent loss of current winter range by 2080. The model forecasts a dramatic expansion northward into areas where the species is typically expected to occur only during nesting season.