Costa's hummingbird
| Costa's hummingbird | |
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| File:Calypte costae.jpg | |
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C. costae
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| Calypte costae (Bourcier, 1839)
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| File:Calypte costae map.svg | |
| Range of C. costae Breeding range Year-round range Wintering range | |
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Costa's hummingbird (Calypte costae) is a species of hummingbird.
This species is very small, a mature adult growing to only 3–3.5 in (7.6–8.9 cm) in length. The male Costa's has a mainly green back and flanks, a small black tail and wings, and patches of white below their gorgeted throat and tail. Its most distinguishing feature is its vibrant purple cap and throat with the throat feathers flaring out and back behind its head. The female Costa's hummingbird is not as distinct as the male, having grayish-green above with a white underbelly.
Costa's hummingbird is fairly common in the arid brushy deserts and any nearby gardens of the Southwestern United States and the Baja California Peninsula of Mexico.
The male Costa's hummingbird's courtship display is a spirited series of swoops and arcing dives, carefully utilizing a proper angle to the sun to show off his violet plumage to impress prospective mates. Each high-speed dive will also pass within inches of the female, perched on a nearby branch, which will be accented by a high-pitched shriek that is produced by the tail. Separately, the male will perch and produce similar sounds in his song-- except, the song is vocal rather than tail-generated.
Costa's hummingbird constructs a small cup-shaped nest out of plant fibers and down and coated with lichen to hold it together.[2] The nest will be situated above ground on a yucca stalk or tree limb. The female lays just two eggs, which are white in color, which she will incubate for 15 to 18 days before the young hatch. The young Costa's hummingbirds leave the nest after 20 to 23 days.
Like all other hummingbird species, Costa's hummingbird feeds on flower nectar and any tiny insects that it happens to find in the flower petals. As with other species, it can slow down its metabolism during cold nights when it enters a hibernation-like state known as torpor and its heart and respiration rate are dramatically slowed.
Hybrids between this bird and Anna's hummingbird, the black-chinned hummingbird as well as the broad-tailed hummingbird are known.[3]
The binomial commemorates French nobleman Louis Marie Pantaleon Costa, Marquis de Beauregard (1806–1864).
References
External links
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Wikimedia Commons has media related to Costa's Hummingbird. |
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Wikispecies has information related to: Calypte costae |
- Costa's Hummingbird videos, photos, and sounds at the Internet Bird Collection
- Costa's Hummingbird Images Using High Speed Flash Photography at QuickBlink
- Stamps (for United States) with Range Map at bird-stamps.org
- Costa's Hummingbird photo gallery at VIREO (Drexel University)
- Article and Photos, including Costa's Hummingbird at borderland-tours.com
- Pages with broken file links
- IUCN Red List least concern species
- Commons category link is locally defined
- Calypte
- Endemic birds of Southwestern North America
- Birds of Mexico
- Birds of the Baja California Peninsula
- Birds of the Gulf of California
- Native birds of the Southwestern United States
- Fauna of the Mojave Desert
- Fauna of the Sonoran Desert
- Fauna of the Lower Colorado River Valley
- Fauna of the Colorado Desert
- Western North American migratory birds
