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Rock Wren - BirdForum Opus

Revision as of 22:15, 7 March 2023 by Deliatodd-18346 (talk | contribs) (→‎External Links: New combined GSearch)
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Photo © by digishooter.
Lake Isabella, Kern Co., California, USA, 11 March 2016
Salpinctes obsoletus


Photo © by Joseph Morlan.
Devil's Slide, San Mateo Co., California, USA, 09 June 2020

14–16 cm (5½-6¼ in)

  • Grayish-brown upperparts with many white spotted dark streaks
  • Pale supercilium
  • Light gray underparts
  • Pale brown rump
  • Long thin bill
  • Long barred tail
  • Dark legs


Southwestern Canada south to Costa Rica.



Eight subspecies are recognized:[1]

  • S.o. obsoletus - south-western Canada and western US to northern and central Mexico
  • S. o. guadelouppenis - Guadapule Island, (off western Mexico)
  • S. o. tenuirostris - San Benidicto Islands (off southern Baja California)
  • S. o. exsul - San Benidicto Island, Baja, (Revillagigedo Islands off southern Baja California)
  • S. o. neglectus - Highlands of south-eastern Mexico (Chiapas) to Guatemala and central [[Honduras]
  • S.o. guttatus - highlands, El Salvador
  • S.o. fasciatus - Highlands of north-western Nicaragua
  • S.o. costaricensis - Highlands of nw Costa Rica


Rocky canyons. Arid or semiarid areas with exposed rock; desert to alpine habitats.



They build a cup nest in a crevice or cavity, usually among rocks. The nest is formed from grass, bits of wood, bark, moss, hair, and occasionally fresh plant material in shallow space; lined with rootlets, hair, wool, spider silk. Placed in cavity or crevice in or among rocks, usually with foundation of stone and often with pavement of small stones extending from nest to entrance of nest cavity and sometimes beyond. The clutch consists of 4-6 white eggs with fine spots of reddish brown.


The diet consists mostly of invertebrates and small lizards.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Lowther, P. E., D. E. Kroodsma, and G. H. Farley (2020). Rock Wren (Salpinctes obsoletus), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.rocwre.01
  3. Cornell Lab of Ornithology. 2019. Rock_Wren in: All About Birds. Cornell Lab of Ornithology, Ithaca, New York. https://www.allaboutbirds.org/ Accessed on 10June 2020
  4. Wikipedia contributors. (2020, March 12). Rock wren. In Wikipedia, The Free Encyclopedia. Retrieved 06:12, June 10, 2020, from https://en.wikipedia.org/w/index.php?title=Rock_wren&oldid=945204298

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