Ficedula hypoleuca Ficedula hypoleuca. Falkenberg, Sweden. Photo: Lars Salomon. CC BY-NC 4.0. Ficedula hypoleuca. Stenshuvud National Park, Sweden. Photo: Lars Salomon. CC BY-NC 4.0. Ficedula hypoleuca. Falkenberg, Sweden. Photo: Lars Salomon. CC BY-NC 4.0. Ficedula hypoleuca. Falkenberg, Sweden. Photo: Lars Salomon. CC BY-NC 4.0.