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Year
1993
Citation

Calder, W.A. 1993. Rufous Hummingbird (Selasphorus rufus). In A. Poole and F. Gill, editors, The Birds of North America, No. 53. Academy of Natural Sciences, Philadelphia, and American Ornithologists' Union, Washington, DC. 20 pp.

Keywords
Reference Code
N93CAL01NAUS