A large hummingbird with blue throat in males. Restricted to specific mountain riparian habitats.

§ Quick facts

SizeBody 7–10 cm (2.8–3.9 in); wingspan 10–13 cm
Weight2.5–5 g
LifespanWild typically 3–5 years
OrderApodiformes
FamilyTrochilidae

§ Encyclopedia

The blue-throated mountaingem, also known as the blue-throated mountain-gem or blue-throated hummingbird is a species of hummingbird in tribe Lampornithini of subfamily Trochilinae. It is found in the United States and Mexico.

Source: Wikipedia — Blue-throated mountaingem Licensed under CC BY-SA 4.0

§ Identification

Field marks. Large hummingbird with a long black tail boldly tipped white at the corners, gray underparts, and (male) a blue throat that can look dark.

Similar species. Rivoli's (Magnificent) Hummingbird is also large but has a green throat (male) and lacks the big white tail corners; the white tail tips mark Blue-throated.

Voice. A loud, repeated, far-carrying 'seep' — unusually loud for a hummingbird.

§ Diet & behavior

Diet. Flower nectar; small insects and spiders for protein.

Behavior. One of the largest U.S. hummingbirds; a bird of shaded mountain canyons in the Southwest, often near streams, that dominates feeders.

§ Range

Sky islands of Arizona and New Mexico

§ Habitat

Riparian areas in mountains

§ Threats

Habitat loss, climate change.

§ Conservation status

According to the IUCN Red List, the blue-throated mountain-gem is currently classified as Least Concern.

§ What helps

Support southwestern sky island conservation.

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§ Further reading

§ Sources cited

  • Cornell Lab of Ornithology — All About Birds
  • National Audubon Society
  • iNaturalist
  • IUCN Red List