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Costa's Hummingbird

Calypte costae ORDER: APODIFORMES FAMILY: TROCHILIDAE

IUCN Conservation Status: Least Concern

A desert hummingbird, Costa's Hummingbird breeds in the Sonoran and Mojave Deserts of California and Arizona. It departs the desert in the hottest days of summer, moving to chaparral, scrub, or woodland habitat.

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At a GlanceHelp

Measurements
Both Sexes
Length
3.5 in
9 cm
Wingspan
4.3 in
11 cm
Weight
0.1–0.1 oz
2–3 g
Other Names
  • Colibri de Costa (French)
  • Colibrí de Costa (Spanish)

Cool Facts

  • Researchers have found that Costa's Hummingbird can enter a torpid state, with slowed heart rates and reduced body temperatures, under low ambient nighttime temperatures. The hearts of torpid Costa's Hummingbirds beat about 50 times per minute, while those of nontorpid resting Costa's Hummingbirds beat 500 to 900 times per minute.

Habitat


Deserts

Desert and semi-desert, arid brushy foothills and chaparral, in migration and winter also in adjacent mountains and in open meadows and gardens.

Food


Nectar

Nesting

Nesting Facts
Clutch Size
2–3 eggs
Condition at Hatching
Helpless.
Nest Placement

Shrub

Behavior


Hovering

Conservation

status via IUCN

Least Concern

Loss of habitat, especially coastal scrub and Sonoran desert scrub, pose the most serious threat to the species. Availability of feeders may have a compensating effect, to an undetermined degree.

Credits

  • Baltosser, W. H., and P. E. Scott. 1996. Costa's Hummingbird (Calypte costae). In The Birds of North America, No. 251 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA, and The American Ornithologists' Union, Washington, D.C.

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Costa
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