Salpinctes obsoletus
(Rock Wren)
Physical
Description:
5-6" (13-15 cm). Light brown above,
white below. Speckled with black and white above,
indistinctly with brown below. Rust-colored rump. Short, pale eyebrow.
Similar Species- Canyon Wren
Song:
Variety of repeated trills, double notes, and
raspy single notes.
Distribution:
Breeds from south-central British Columbia, east
to southern Saskatchewan, portions of Great Plains, western Oklahoma, and central Texas,
and south to southern Baja California and Costa Rica. Winters from northern California,
east to southern Utah, south to Arizona, New Mexico, and southern Texas, and further south
through breeding range. Occasionally winters in northwestern and central United States.
Habitat:
Found in arid or semi-arid habitat, in shrubby
areas in rocky canyons and cliffs, on rock slides and boulder-strewn slopes, and in
arroyos with sparse vegetation. Sometimes seen around concrete and stone buildings.
Similar to Canyon Wren in habitat, but in Idaho, Rock Wrens are more widely distributed.
Diet:
Probably feeds on insects and spiders, as well as
earthworms and larval insects.
Ecology:
Nests in cavity or crevice, under or near rocks.
Forages on ground, or takes food from foliage. Few studies have been conducted on this
species.
Reproduction:
Female incubates 4-10 eggs (usually 5-6)
in northern range, fewer in south. Young are tended by both parents.
Conservation:
Element Code: | ABPBG03010 |
Status: | Protected nongame species |
Global Rank: | G5 |
State Rank: | S5,NTMB |
National Rank: | N5 |
Important
State References:
No references are available at this time.