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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 ...
Costa's hummingbird Male Female Calypte costae (Bourcier, 1839) Southwestern United States and the Baja California Peninsula of Mexico. Size: 3–3.5 in (7.6–8.9 cm) in length, with a wingspan of 11 cm, and an average weight of 3.05 g for males and 3.22 g for females. [5] Habitat: arid brushy deserts and gardens Diet: flower nectar and small ...
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.
Arizona has more hummingbird species - including Anna's and Costa's - than any other state. Here's the best time to see them and how to feed them. Arizona is hummingbird heaven.
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The hybrid between the black-chinned hummingbird and Anna's hummingbird is called "Trochilus" violajugulum. The black-chinned hummingbird is also known to hybridize with Anna's, [4] Lucifer, [4] broad-tailed, [4] and Costa's hummingbirds. [5] As of 2011, it has the smallest known genome of all living amniotes, only 0.91 pg (910 million base ...
The ruby-throated hummingbird is the only species of hummingbirds that breeds in the eastern U.S. and Iowa, Thomas said. They are just one of about 350 known species of hummingbirds in North and ...
When courting, the male Anna's hummingbird ascends some 35 m (115 ft) above a female, before diving at a speed of 27 m/s (89 ft/s), equal to 385 body lengths/sec – producing a high-pitched sound near the female at the nadir of the dive. [160]