The unique hummingbird specimen collected by J. W. Sefton, Jr., in 1932 in the Rincon Mountains, southeastern Arizona, is confirmed to be a hybrid, Calypte costae × Selasphorus platycercus. The hybrid exhibits a blended mosaic of plumage characters of the parental species. Other parental hypotheses were ruled out on the basis of plumage color and on measurements of the outermost rectrix (R5).
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22 December 2006
Diagnoses of hybrid hummingbirds (Aves: Trochilidae). 14. New perspectives on Sefton's specimen (Calypte costae × Selasphorus platycercus) from the Rincon Mountains, southeastern Arizona
Gary R. Graves
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Proceedings of the Biological Society of Washington
Vol. 119 • No. 4
December 2006
Vol. 119 • No. 4
December 2006