Our analysis is based on 496 Anna's Hummingbirds (146 museum specimens, 350 banding records) and 218 Rufous Hummingbirds (131 museum specimens, 87 banding records). Specimens of all Anna's and most Rufous Hummingbirds were from...
moreOur analysis is based on 496 Anna's Hummingbirds (146 museum specimens, 350 banding records) and 218 Rufous Hummingbirds (131 museum specimens, 87 banding records). Specimens of all Anna's and most Rufous Hummingbirds were from the collections at the California Academy of Sciences (CAS), Moore Laboratory of Zoology (MLZ), Museum of Vertebrate Zoology (MVZ), and PRBO. To augment our sample of fall and winter Rufous Hummingbirds (collected in Mexico), we also examined specimens at the Natural History Museum of Los Angeles County (LACM), San Diego Natural History Museum (SDNHM), and Western Foundation of Vertebrate Zoology (WFVZ). Specimens of Anna's Hummingbirds were taken from throughout the species' breeding range, although a majority __