
Canasteros and thistletails are small passerine birds of South America belonging to the genus Asthenes. The name "canastero" comes from Spanish and means "basket-maker", referring to the large, domed nests these species make of sticks or grass. They feed on insects and other invertebrates.

The austral canastero is a species of bird in the family Furnariidae, the ovenbirds. It is found in southern Argentina and northern regions of Tierra del Fuego; the range extends northwestwards into southern Chile, as a migration region in the austral winter. In Chile it is mostly a non-breeding bird, except on the eastern border with Argentina, in the Andean cordillera where it is a resident breeder.

The Ayacucho thistletail is a species of bird in the family Furnariidae. It is endemic to northern Ayacucho, Peru.

Berlepsch's canastero is a species of the ovenbird family, Furnariidae. It is endemic to Bolivia.

The black-throated thistletail is a species of bird in the family Furnariidae. It is endemic to Bolivia.

The canyon canastero is a species of bird in the family Furnariidae. It is found in Chile and Peru. Its natural habitats are subtropical or tropical moist montane forest and subtropical or tropical high-altitude shrubland. Three subspecies are recognized:Asthenes pudibunda neglecta (Cory, 1916) - Peru Asthenes pudibunda pudibunda (Sclater, 1874) - Peru Asthenes pudibunda grisior Koepcke, M., 1961 - Peru and Chile

The Cipó canastero is a bird endemic to the Brazilian interior. It was discovered in 1985.

The cordilleran canastero is a species of bird in the family Furnariidae. It is found in Argentina, Bolivia, Chile, and Peru. Its natural habitats are temperate grassland and subtropical or tropical high-altitude grassland.

The dark-winged canastero, or Arequipa canastero, is a species of bird in the family Furnariidae. It is found in South America in south-western Peru, western Bolivia, and northern Chile.

The eye-ringed thistletail is a species of bird in the family Furnariidae. It is endemic to central Peru.
Hudson's canastero is a species of bird in the family Furnariidae. It is found in Argentina, Brazil, Paraguay, and Uruguay. Its natural habitat is temperate grassland. It is named after Argentine-British ornithologist William Henry Hudson.

The Itatiaia spinetail, also known as the Itatiaia thistletail, is a species of bird in the family Furnariidae. It was previously placed as the only member of the genus Oreophylax, however recent classification has placed it in the genus Asthenes. It is endemic to southeastern Brazil. Its common name refers to the Itatiaia region. Its natural habitat is subtropical or tropical high-altitude shrubland.

The Junín canastero is a species of bird in the family Furnariidae. It is endemic to Peru. Its natural habitat is subtropical or tropical high-altitude grassland.

The line-fronted canastero is a species of bird in the family Furnariidae. It is found in Bolivia and Peru.

The many-striped canastero is a species of bird in the family Furnariidae.

The maquis canastero, iquico or iquico canastero is a species of bird in the family Furnariidae.

The mouse-colored thistletail is a species of bird in the family Furnariidae. It is found in Ecuador and Peru.

The ochre-browed thistletail is a species of bird in the family Furnariidae. It is endemic to western Venezuela.

The pale-tailed canastero, is a species of bird in the family Furnariidae. It is found in South America in south-central Peru.

The Perijá thistletail is a species of bird in the family Furnariidae. It is endemic to the Perijá Mountains in Colombia and Venezuela.

The puna canastero is a species of bird in the family Furnariidae. It is found in Argentina, Bolivia and Peru. Its natural habitats are temperate grassland and subtropical or tropical high-altitude grassland. Five subspecies are recognized:Asthenes sclateri punensis (von Berlepsch & Stolzmann, 1901) - Bolivia and Peru Asthenes sclateri cuchacanchae (Chapman, 1921) - Bolivia and northwest Argentina (Salta) Asthenes sclateri lilloi (Oustalet, 1904) - northwest Argentina Asthenes sclateri sclateri (Cabanis, 1878) - Sierra de Córdoba of central Argentina Asthenes sclateri brunnescens Nores & Yzurieta, 1983 - Sierra de San Luis of central Argentina

The puna thistletail is a species of bird in the family Furnariidae. It is found in Peru and Bolivia.

The rusty-fronted canastero is a species of bird in the family Furnariidae. It is endemic to Peru.

The rusty-vented canastero, or creamy-breasted canastero, is a species of bird in the family Furnariidae.

The scribble-tailed canastero is a species of bird in the family Furnariidae. It is found in Argentina, Bolivia, and Peru. Its natural habitat is subtropical or tropical high-altitude grassland.

The sharp-billed canastero or lesser canastero is a species of bird in the family Furnariidae, the ovenbirds.

The short-billed canastero is a species of bird in the family Furnariidae. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. Its natural habitat is subtropical or tropical dry shrubland.

The streak-backed canastero is a species of bird in the family Furnariidae. It is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. Its natural habitat is subtropical or tropical high-altitude grassland. Seven subspecies are recognized:Asthenes wyatti wyatti (Sclater & Salvin, 1871) - eastern Andes of northern Colombia Asthenes wyatti sanctaemartae Todd, 1950 - Santa Marta Mountains Asthenes wyatti perijana Phelps Jr, 1977) - northeastern Colombia and northwestern Venezuela Asthenes wyatti mucuchiesi Phelps & Gilliard, 1941 - Mérida and Trujillo Asthenes wyatti aequatorialis (Chapman, 1921) - central Ecuador Asthenes wyatti azuay (Chapman, 1923) - southern Ecuador Asthenes wyatti graminicola (Sclater, 1874) - Peru

The streak-throated canastero is a species of bird in the family Furnariidae. It is found in Bolivia and Peru. Its natural habitat is subtropical or tropical high-altitude grassland. Three subspecies are recognized:Asthenes humilis cajamarcae Zimmer, JT, 1936 - northwestern Peru Asthenes humilis humilis (Cabanis, 1873) - central Peru Asthenes humilis robusta (von Berlepsch, 1901) - southern Peru and northern Bolivia

The Vilcabamba thistletail is a species of bird in the family Furnariidae. It is endemic to the Vilcabamba Mountains of Peru.

The white-chinned thistletail or "colicardo barbiblanco" is a species of bird in the family Furnariidae. It is found in Colombia, Ecuador, Peru, and Venezuela. Its natural habitats are subtropical or tropical moist montane forests and subtropical or tropical high-altitude grassland.