Rock wren

The rock wren (Salpinctes obsoletus) is a small songbird of the wren family native to South America and western North America. It is the only species in the genus Salpinctes.

This article is about the North American bird. For the New Zealand bird, see New Zealand rock wren.
"Salpinctes" redirects here; this is also a junior synonym for Mandevilla, a genus of vines.

Rock wren
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Troglodytidae
Genus: Salpinctes
Cabanis, 1847
Species:
S. obsoletus
Binomial name
Salpinctes obsoletus
(Say, 1823)
Rock Wren at Folsom Lake in Placer County, California.

Description

Measurements:[2]

  • Length: 4.9-5.9 in (12.5-15 cm)
  • Weight: 0.5-0.6 oz (15-18 g)
  • Wingspan: 8.7-9.4 in (22-24 cm)

They have grey-brown upperparts with small black and white spots and pale grey underparts with a light brown rump. Additional distinctive features include a light grey line over the eye, a long slightly decurved thin bill, a long barred tail and dark legs. They actively hunt on the ground, around and under objects, probing with their bill as their extraction tool. They mainly eat insects and spiders. Its song is a trill that becomes more varied during the nesting season. These birds are permanent residents in the south of their range, but northern populations migrate to warmer areas from the central United States and southwest Canada southwards. They are occasional vagrants in the eastern United States. During the breeding season, they move to dry, rocky locations, including canyons, from southwestern Canada south to Costa Rica to build cup nests in a crevice or cavity, usually among rocks.

References
  1. BirdLife International (2012). "Salpinctes obsoletus". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
  2. "Rock Wren Identification, All About Birds, Cornell Lab of Ornithology". www.allaboutbirds.org. Retrieved 2020-09-28.
  • Stiles and Skutch, A guide to the birds of Costa Rica ISBN 0-8014-9600-4
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