The Advantage of Crossed Mandibles: a Note on the American Red Crossbill

Authors

C. A. Robbins

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Recommended Citation

Robbins, C. A. (1932) "The Advantage of Crossed Mandibles: a Note on the American Red Crossbill," The Auk: Vol. 49: Iss. 2, Article 2.
Available at: https://digitalcommons.usf.edu/auk/vol49/iss2/2