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The rock wren (''Salpinctes obsoletus'') is a small songbird of the
Measurements:
* 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
Rock Wren by John Audubon
Rock Wren - eNature.com
VIREO
wren
Wrens are a family of brown passerine birds in the predominantly New World family Troglodytidae. The family includes 88 species divided into 19 genera. Only the Eurasian wren occurs in the Old World, where, in Anglophone regions, it is commonly ...
family native to western North America, Mexico and Central America. It is the only species in the genus ''Salpinctes''.
Description
Measurements:
* 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
Migration, migratory, or migrate may refer to: Human migration
* Human migration, physical movement by humans from one region to another
** International migration, when peoples cross state boundaries and stay in the host state for some minimum le ...
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 canyon
A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tenden ...
s, from southwestern Canada south to Costa Rica
Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...
to build cup nests in a crevice or cavity, usually among rocks.
References
* Stiles and Skutch, ''A guide to the birds of Costa Rica''External links
Rock Wren by John Audubon
Rock Wren - eNature.com
VIREO
See also
* San Benedicto rock wren, a subspecies of ''Salpinctes'' that went extinct in 1952 {{Authority control rock wren Native birds of Western Canada Native birds of the Western United States Birds of Mexico Birds of Central America rock wren rock wren