Observation of Billing" in Courtship Behavior of Tree Swallow"

Authors

Frederick S. Schaeffer

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Recommended Citation

Schaeffer, Frederick S. (1970) "Observation of Billing" in Courtship Behavior of Tree Swallow"," Bird Banding: Vol. 41 : Iss. 3 , Article 13.
Available at: https://digitalcommons.usf.edu/bird_banding/vol41/iss3/13