The Affinities of Hummingbirds and Swifts

Authors

J. A. Allen

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Recommended Citation

Allen, J. A. (1893) "The Affinities of Hummingbirds and Swifts," The Auk: Vol. 10: Iss. 4, Article 11.
Available at: https://digitalcommons.usf.edu/auk/vol10/iss4/11