 A few species are year-round residents of Florida, California, and the far southwestern desert regions of the US.Among these are Anna's hummingbird, a common resident from southern Arizona and inland California, and the buff-bellied hummingbird, a winter resident from Florida across the Gulf Coast to southern Texas.Ruby-throated hummingbirds are common along the Atlantic flyway and migrate in summer from as far north as Atlantic Canada, returning to Mexico, South America, southern Texas, and Florida to winter.