An Unusually Long Incubation Period of the Mallard

Authors

Richard J. Wheeler

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Recommended Citation

Wheeler, Richard J. (1966) "An Unusually Long Incubation Period of the Mallard," Condor: Vol. 68 : Iss. 3 , Article 15.
Available at: https://digitalcommons.usf.edu/condor/vol68/iss3/15