Actitis hypoleucos Actitis hypoleucos. Trönninge ängar, Sweden. Photo: Lars Salomon. CC BY-NC 4.0. Actitis hypoleucos. Trönninge ängar, Sweden. Photo: Lars Salomon. CC BY-NC 4.0. Actitis hypoleucos. Trönninge ängar, Sweden. Photo: Lars Salomon. CC BY-NC 4.0.