Black-throated sparrow
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The black-throated sparrow (Amphispiza bilineata) is a small New World sparrow primarily found in the southwestern United States and Mexico. It is the only member of the genus Amphispiza; the five-striped sparrow, formerly also classified in Amphispiza, is now thought to be in the monotypic genus Amphispizopsis.[1]
It is sometimes referred to as the desert sparrow, due to its preferred habitat of arid desert hillsides and scrub. This name usually refers to the desert sparrow of Africa and Asia.
Description
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The black-throated sparrow is pale gray above, with a distinctive black and white head pattern. Immature birds are similar but lack a black throat. Its call is high and bell-like, and its song is a fairly simple, mechanical tinkling. It feeds primarily on insects and seeds, and travels in small groups, though larger groups may accumulate around sources of water in the desert.
It has a loose nest of grass twigs and plant fibers carefully hidden in brush Script error: No such module "convert". above the ground. Black-throated sparrows are habitat-generalist species, using a wide range of plants as habitats to build their nests in.[3] However, they find less breeding success in lower-climate habitats like mesquite,[4] perhaps due to human-caused climate change.[5] Three or four white or pale blue eggs are laid.
Diet
The black-throated sparrow's diet consists of bugs during the mating season and seeds during the non-breeding season.Script error: No such module "Unsubst". They mainly forage on the ground around bushes and cacti and sometimes glean food from leaves and twigs.Script error: No such module "Unsubst".
References
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- ↑ Kozma, J. M., Burkett, L. M., Kroll, A. J., Thornton, J., & Mathews, N. E. (2017). Factors associated with nest survival of Black-throated Sparrows, desert-breeding nest-site generalists. Journal of Field Ornithology, 88(3), 274–287. https://doi.org/10.1111/jofo.12209Retrieved 2 November 2024
- ↑ Pidgeon, A. M., Radeloff, V. C., & Mathews, N. E. (2003). Landscape-Scale Patterns of Black-Throated Sparrow (Amphispiza bilineata) Abundance and Nest Success. Ecological Applications, 13(2), 530–542. https://doi.org/10.1890/1051-0761(2003)013[0530:LSPOBT]2.0.CO;2. Retrieved 2 November 2024
- ↑ Hargrove, L., & Rotenberry, J. T. (2011). Breeding success at the range margin of a desert species: implications for a climate-induced elevational shift. Oikos, 120(10), 1568–1576. https://doi.org/10.1111/j.1600-0706.2011.19284.x. Retrieved 2 November 2024
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- David Allen Sibley, The Sibley Field Guide to Birds of Western North America. Template:ISBN
External links
- Black-throated sparrow – Amphispiza bilineata – USGS Patuxent Bird Identification InfoCenter
- Black-throated sparrow species account – Cornell Lab of Ornithology
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