Function of the Bill and Tongue in Nectar Uptake by Hummingbirds

Authors

Paul W. Ewald
William A. Williams

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Recommended Citation

Ewald, Paul W. and Williams, William A. (1982) "Function of the Bill and Tongue in Nectar Uptake by Hummingbirds," The Auk: Vol. 99: Iss. 3, Article 33.
Available at: https://digitalcommons.usf.edu/auk/vol99/iss3/33