Black-capped Chickadee Wing Chord Variations- a Re-examination of Allen's Rule

Authors

Selden Spencer

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Recommended Citation

Spencer, Selden (1969) "Black-capped Chickadee Wing Chord Variations- a Re-examination of Allen's Rule," Eastern Bird Banding Association News: Vol. 32 : Iss. 4 , Article 3.
Available at: https://digitalcommons.usf.edu/ebban/vol32/iss4/3