
1) Hummingbird variety 2) Type of hummingbird
Found on
https://www.crosswordclues.com/clue/rubythroat

• (n.) 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).
Found on
http://thinkexist.com/dictionary/meaning/rubythroat/
Ru'by·throat` noun (Zoology) 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...
Found on
http://www.encyclo.co.uk/webster/R/101
No exact match found.