The Timing and Reliability of Bill Corrugations for Ageing Hummingbirds

Authors

Gregor M. Yanega
Peter Pyle
Geoffrey R. Geupel

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Recommended Citation

Yanega, Gregor M.; Pyle, Peter; and Geupel, Geoffrey R. (1997) "The Timing and Reliability of Bill Corrugations for Ageing Hummingbirds," Western Birds: Vol. 28 : Iss. 1 , Article 2.
Available at: https://digitalcommons.usf.edu/western_birds/vol28/iss1/2