Archilochus colubris, the ruby-throated hummingbird. / Two species of genus Calliope (syn. Luscinia), Calliope calliope, the Siberian rubythroat, and Calliope pectoralis, the white-tailed rubythroat.

plural of rubythroat

Calliope calliope, a flycatcher breeding in western Siberia and overwinters in South Asia.

plural of Siberian rubythroat