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 species is colloquially known as the “snake bird,” due to its habit of riding so low in the water that only its snake-like neck, head, and long, dagger-like bill are visible above the water line. It is often seen soaring high above the ground on long, pointed wings and a fan-shaped tail. Troublingly, Audubon's climate model shows a dramatic northward shift in summer range, with only 5% of its current area remaining stable—something that’s already being observed in places like Illinois. Most of the world’s Anhingas live in Latin America, though, so data from those regions will be needed to make broad predictions about overall future numbers or potential colonization of the predicted expansion of summer range based on Audubon's climate model in the southern United States.