The wingbeat of the Anna's is slower than most, which is logical, since they're one of the largest hummers normally north of Mexico. This one measures only 45 BPS!
Douglas Von Gausig (recordist; copyright holder), Naturesongs.com
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To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2013. The Animal Diversity Web (online). Accessed at http://animaldiversity.org.
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