Robinson, T. R., R. R. Sargent, and M. B. Sargent (1996). Ruby-throated Hummingbird (Archilochus colubris). In The Birds of North America. No. 204 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.
Williamson, S. L. (2001). A Field Guide to Hummingbirds of North America (Peterson Field Guide Series). Houghton Mifflin. Co., Boston, MA.
Interesting Ruby-throated Hummingbird Facts donated by BirdHouses101.com
data collected from fall migrating Ruby-throated hummingbirds along coastal South Carolina, communications with researchers along the US southeastern and Gulf coasts.