• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Blue-throated Mountain-gem - BirdForum Opus

Photo by destombe
Cave Creek Ranch, Portal, Arizona, January 2007

Alternative name: Blue-throated Hummingbird; Blue-throated Mountaingem

Lampornis clemenciae



  • Green upperparts with gold highlights on back
  • Grey underparts
  • Blue throat in male
  • White stripe behind eye
  • White malar streak
  • White tipped black tail
  • Long thin bill.
Photo by UncleGus_24
Madera Canyon, Arizona, December 2008


North and Central America
North America: Arizona, New Mexico, and Texas
Central America: Mexico
Vagrant to Alabama, South Carolina.



There are 3 subspecies:

  • L. c. bessophilus:
  • L. c. phasmorus:
  • Breeds southwestern United States (Chisos Mountains, Texas); populations in central western Nuevo Leon (Mexico) possibly also this subspecies. Migratory, but nonbreeding range unknown)
  • L. c. clemenciae:
  • Mountains of eastern and central Mexico(Central Plateau and Sierra Madre Oriental, south to Oaxaca)
Photo by UncleGus_24
Madera Canyon, Arizona, July 2006


Shady wooded canyons. Forested mountains to 5,500 feet.



The female builds the nest from soft plant fibres, held together with spider silk, exterior covered with green mosses, near water. The clutch of 2 white eggs are incubated for 17 to 19 days; the young fledging at 24 to 26 days. Up to three broods per year are possible.


The diet includes nectar and insects.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
  2. Avibase
  3. Wikipedia
  4. BF Member observations

Recommended Citation

External Links

GSearch checked for 2020 platform.