The Validity of the Red-legged Subspecies of Black Duck

Authors

Charles W. Townsend

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Recommended Citation

Townsend, Charles W. (1912) "The Validity of the Red-legged Subspecies of Black Duck," The Auk: Vol. 29: Iss. 2, Article 6.
Available at: https://digitalcommons.usf.edu/auk/vol29/iss2/6