Burung kicau (Songbirds)
Rock Wren
Salpinctes obsoletus
- langka
- 55 km/h
- Risiko rendah
Lines its nest entrance with a pavement of small stones. The only bird with a driveway.
- Populasi
- ~4-6.4 million mature individuals globally; declining, with a documented ~13% decline in the US/Canada portion of the population 2010-2020
- Habitat
- Arid, rocky open terrain — canyons, cliffs, talus slopes, eroded sandbanks, and exposed rock outcrops from near sea level up to ~3,600 m, most common below 2,000 m
- Fakta menarik
- Rock Wrens build a distinctive "walkway" or pavement of small flat stones (averaging ~230 stones per nest, ~3.1 g each) leading up to their rock-crevice nest entrance — a nest-construction behavior unique among North American songbirds.
- Sebaran
- Western North America, breeding from British Columbia and the western/central US south through Mexico (including Baja California, Guadalupe and San Benito Islands) and Central America to Costa Rica and Panama; year-round resident across much of the western/southwestern range; rare vagrant to eastern North America
- Makanan
- Primarily insects and other arthropods (beetles, weevils, leafhoppers, ants, spiders), shifting to more seeds/grain in autumn and winter
- Ukuran
- 0,14 m
- Bentang sayap
- 0,23 m
- Masa hidup
- 2 tahun
