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.
This is one of our most adaptable terns, breeding coastally and inland, migrating through a wide variety of habitats, and wintering across a broad swath of real estate. Audubon’s climate model forecasts a major shift of climate space in summer, with an 80 percent loss of current range. The species is highly colonial, and the loss of a few key breeding colonies—now or in the future—could doom regional populations.