The Moustached Turca is a passerine

Passerine

A passerine is a bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds or, less accurately, as songbirds, the passerines form one of the most diverse terrestrial vertebrate orders: with over 5,000 identified species, it has roughly...

 bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 which is endemic

Endemism in birds

An endemic bird area is a region of the world that contains two or more restricted-range species, while a "secondary area" contains one or more restricted-range species. Both terms were devised by Birdlife International....

 to Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

. It belongs to the tapaculo

Tapaculo

The tapaculos are a group of small suboscine passeriform birds with numerous species, found mainly in South America and with the highest diversity in the Andean regions...

 group and is a member of the genus Pteroptochos

Pteroptochos

Pteroptochos is a genus of bird in the Rhinocryptidae family.It contains the following species:* Chestnut-throated Huet-huet * Black-throated Huet-huet...

, along with the two species of huet-huet.

It is a stocky bird, 23-24 cm long, with a heavy bill and strong legs and feet. The tail is often held cocked. The plumage

Plumage

Plumage refers both to the layer of feathers that cover a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage vary between species and subspecies and can also vary between different age classes, sexes, and season. Within species there can also be a...

 is mostly brown with white barring on the breast, belly and undertail-coverts. The bird has a dark eyestripe, white eyebrow and a broad white moustachial stripe. The bill

Beak

The beak, bill or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young...

 and legs are black. The northern race atacamae is smaller and paler with less obvious barring on the underparts.

The song

Bird song

Bird vocalization includes both bird calls and bird songs. In non-technical use, bird songs are the bird sounds that are melodious to the human ear. In ornithology and birding, songs are distinguished by function from calls.-Definition:The distinction between songs and calls is based upon...

 is a series of low, hooting notes lasting for 5 to 10 seconds. Birds often call while perched on top of a rock.

The nominate subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 is found in central Chile from northern Bío-Bío Region

Bío-Bío Region

The VIII Biobío Region , one of the fifteen first-order administrative divisions in Chile, comprises four provinces: Arauco, Biobio, Concepción, and Ñuble.The capital of the Region is Concepción...

 north to Coquimbo Region

Coquimbo Region

The IV Coquimbo Region is one of Chile's 15 first order administrative divisions. It is some 400 km north of the capital, Santiago.The capital and largest city is La Serena, other important cities include the seaport Coquimbo and the agricultural centre...

. The isolated form atacamae occurs in Atacama Region

Atacama Region

The Atacama Region is one of Chile's 15 first order administrative divisions. It comprises three provinces, Chañaral, Copiapó and Huasco. It is bordered to the north by Antofagasta, to the south by Coquimbo, to east with Provinces of Catamarca, La Rioja and San Juan of Argentina, and to west with...

. Both inhabit arid slopes with rocks and shrubbery from sea-level to high in the foothills of the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

, reaching 3700 metres in the north. It is a mainly ground-dwelling bird which can run quickly. It feeds on invertebrate

Invertebrate

An invertebrate is an animal without a backbone. The group includes 97% of all animal species – all animals except those in the chordate subphylum Vertebrata .Invertebrates form a paraphyletic group...

s such as insects and worms.

The nest

Nest

A nest is a place of refuge to hold an animal's eggs or provide a place to live or raise offspring. They are usually made of some organic material such as twigs, grass, and leaves; or may simply be a depression in the ground, or a hole in a tree, rock or building...

 is built at the end of a tunnel up to two metres long which is dug in an earth bank or roadside cutting. Two or three white eggs

Egg (biology)

An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...

are laid.