Field Criteria for Determining Incubation Stage in Eggs of the Common Tern

Authors

Helen Hays
Mary Lecroy

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Recommended Citation

Hays, Helen and Lecroy, Mary (1971) "Field Criteria for Determining Incubation Stage in Eggs of the Common Tern," Wilson Bulletin: Vol. 83 : Iss. 4 , Article 9.
Available at: https://digitalcommons.usf.edu/wilson_bulletin/vol83/iss4/9