The Ruby-throated hummingbird is the only hummingbird of regular occurrence in the eastern half of the United States. (Scroll down to see breeding range.)
In winter the Ruby-throat migrates to Mexico and Central America.
Scroll down to see breeding-range map.
Breeding Range of Ruby-throated Hummingbird:
Map courtesy of Patuxent Wildlife Research Center, United States Department of the Interior, Laurel, MD. From THE NORTH AMERICAN BREEDING BIRD SURVEY RESULTS AND ANALYSIS, Version 96.3 by J. R. Sauer, J.E. Hines, G. Gough, I. Thomas, B.J. Peterjohn.