When Black Plus White Equals Gray: the Nature of Variation In the Variable Seedeater Complex (emberizinae: Sporophila)

Authors

F. Gary Stiles

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Recommended Citation

Stiles, F. Gary (1996) "When Black Plus White Equals Gray: the Nature of Variation In the Variable Seedeater Complex (emberizinae: Sporophila)," Ornitología Neotropical: Vol. 7 : Iss. 2 , Article 1.
Available at: https://digitalcommons.usf.edu/ornitologia_neotropical/vol7/iss2/1