Experiments with Allen's and Anna's Hummingbirds at Sugar Water Feeders in Spring

Authors

Tonna Harris-Haller
Stanley W. Harris

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Recommended Citation

Harris-Haller, Tonna and Harris, Stanley W. (1991) "Experiments with Allen's and Anna's Hummingbirds at Sugar Water Feeders in Spring," Western Birds: Vol. 22 : Iss. 4 , Article 3.
Available at: https://digitalcommons.usf.edu/western_birds/vol22/iss4/3