Subspecific Variation in Winter Populations of Savannah Sparrows: a Study in Field Taxonomy

Authors

Robert A. Norris
Gordon L. Hight Jr.

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Recommended Citation

Norris, Robert A. and Hight, Gordon L. Jr. (1957) "Subspecific Variation in Winter Populations of Savannah Sparrows: a Study in Field Taxonomy," Condor: Vol. 59 : Iss. 1 , Article 3.
Available at: https://digitalcommons.usf.edu/condor/vol59/iss1/3