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Anna's hummingbird (Calypte anna) is a North American species of hummingbird named after Anna Masséna, Duchess of Rivoli. It is native to western coastal regions of North America. Until the late 20th century , Anna's hummingbirds migrated from locations as far north as Alaska and coastal British Columbia , returning south to breed in Baja ...
English: Female Anna's hummingbird in nocturnal torpor; 7.37 pm PT, -8 deg C, 22 Dec 2022; note frozen feeder fluid; Vancouver, BC. The bird had been aggressively defending the feeder during severe cold and a snow storm in daylight.
A male Anna's Hummingbird,Calypte anna (4 inches in length) at a flower. Anna's Hummingbirds feed about 5-10 times per hour for 30-60 seconds each time. When Anna's Hummingbirds hover over flowers, their wings can beat from 22 to 72 times per second. Articles this image appears in hummingbirds Creator mbz1
Hummingbirds are seen in Iowa around mid-April each year, said Anna Buckardt Thomas, an avian ecologist with the Iowa Department of Natural Resources in an email to the Des Moines Register.
Anna's hummingbirds were recorded in Alaska as early as 1971, and resident in the Pacific Northwest since the 1960s, particularly increasing as a year-round population during the early 21st century. [27] [118] Scientists estimate that some Anna's hummingbirds overwinter and presumably breed at northern latitudes where food and shelter are ...
Vervain hummingbird: Mellisuga minima (Linnaeus, 1758) 237 Bee hummingbird: Mellisuga helenae (Lembeye, 1850) 238 Bahama woodstar: Nesophlox evelynae (Bourcier, 1847) 239 Inagua woodstar: Nesophlox lyrura (Gould, 1869) 240 Anna's hummingbird: Calypte anna (Lesson, RP, 1829) 241 Costa's hummingbird: Calypte costae (Bourcier, 1839) 242 Calliope ...
The genus Calypte was introduced in 1856 by the English ornithologist John Gould. [1] The type species was subsequently designated as Costa's hummingbird. [2] Gould did not explain the derivation of the genus name but it is probably from the Ancient Greek kaluptrē meaning "woman’s veil" or "head-dress" (from kaluptō meaning "to cover"). [3]
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