On the Use of Rectrix Shape and Wing Length to Determine Age and Sex in the Cassin's Finch

Authors

Martha Hatch Balph

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Recommended Citation

Balph, Martha Hatch (1977) "On the Use of Rectrix Shape and Wing Length to Determine Age and Sex in the Cassin's Finch," North American Bird Bander: Vol. 2 : Iss. 4 , Article 3.
Available at: https://digitalcommons.usf.edu/nabb/vol2/iss4/3