- Length: 5.1-5.9 in (13-15 cm)
- Weight: 0.5-0.6 oz (13-18 g)
- Wingspan: 8.7 in (22 cm)
The male is easily recognized by its bright blue head and back (lighter than the closely related indigo bunting), its conspicuous white wingbars, and its light rusty breast and white belly. The color pattern may suggest the eastern and western bluebirds, but the smaller size (13–15 cm or 5–5.9 inches long), wingbars, and short and conical bunting bill quickly distinguish it. The female is brown, grayer above and warmer underneath, told from the female indigo bunting by two thin and pale wingbars and other plumage details.
The song is a high, rapid, strident warble, similar to that of the indigo bunting but longer and with less repetition.
Distribution and habitat
Lazuli buntings breed mostly west of the 100th meridian from southern Canada to northern Texas, central New Mexico and Arizona, and southern California. On the Pacific coast their breeding range extends south to extreme northwestern Baja California. They migrate to southeastern Arizona and Mexico. Their habitat is brushy areas and sometimes weedy pastures, generally well-watered, and sometimes in towns.
- BirdLife International (2012). "Passerina amoena". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.old-form url
- "Lazuli Bunting Identification, All About Birds, Cornell Lab of Ornithology". www.allaboutbirds.org. Retrieved 2020-09-30.
- Peterson, Roger Tory (1990). Western Birds. Houghton Mifflin. ISBN 0-395-51424-X.
- Sibley, David (2000). The Sibley Guide to Birds. Knopf. ISBN 0-679-45122-6.
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