The Collaborative International Dictionary
Stellula
Rubythroat \Ru"by*throat`\, n. (Zo["o]l.) Any one of numerous species of humming birds belonging to Trochilus, Calypte, Stellula, and allies, in which the male has on the throat a brilliant patch of red feathers having metallic reflections; esp., the common humming bird of the Eastern United States ( Trochilus colubris).