Range Expansion of the House Sparrow through Guatemala and El Salvadortail Patterns of These Two Species Have Been Overlooked as Important Field Characteristics in Distinguishing Between Females Whose Abnormal Coloration Poses and Identification Problem.d

Authors

Walter A. Thurber

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Recommended Citation

Thurber, Walter A. (1986) "Range Expansion of the House Sparrow through Guatemala and El Salvadortail Patterns of These Two Species Have Been Overlooked as Important Field Characteristics in Distinguishing Between Females Whose Abnormal Coloration Poses and Identification Problem.d," American Birds: Vol. 40 : Iss. 2 , Article 16.
Available at: https://digitalcommons.usf.edu/american_birds/vol40/iss2/16