Determinate Laying in Barn Swallows and Black-billed Magpies

Authors

David E. Davis

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Recommended Citation

Davis, David E. (1955) "Determinate Laying in Barn Swallows and Black-billed Magpies," Condor: Vol. 57 : Iss. 2 , Article 2.
Available at: https://digitalcommons.usf.edu/condor/vol57/iss2/2