America, Rocky Mountains 3 (Colorado, Wyoming, Utah)
Rocky Mountain National Park, Wasatch- and Uinta Mountains, summer 2013 with K.J. v. Zwienen
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How big is a hummingbird? Selasphorus platycercus on Verbascum thapsus, Female Broad-tailed Hummingbird on Common Mullein. E of Alpine, UT.
