White-throated Tapaculo

Scelorchilus albicollis

Abbastanza comune ma talvolta localizzato; molto più spesso sentito che visto. Trovato in habitat aridi e arbustivi su pendii rocciosi, spesso con bambù. Corre velocemente con la coda rialzata, ma spesso chiama da un posatoio elevato in un arbusto o in cima a una grande roccia. Più piccolo e snello della Turchina baffuta (spesso nelle stesse aree), con una coda ruggine più lunga e brillante, un bavaglino biancastro sulla gola e sul petto, e barratura scura variabile sul ventre.

Identificazione

The adult of the nominate subspecies of white-throated tapaculo has a cinnamon forehead, a bold white supercilium, and gray-brown upper parts. The rump is lightly barred. The underparts are whitish darkening to pale cinnamon on the belly. Most of the underparts have dark brown bars. The subspecies S. a. atacamae is similarly colored but paler; in particular the upper parts are much more gray than brown. The juveniles are similar to the adults but barred all over. The white-throated tapaculo is approximately 19 cm (7.5 in) long.

Tassonomia

The white-throated tapaculo has two subspecies. The nominate Scelorchilus albicollis albicollis was described by Kittlitz in 1830. The second, S. a. atacamae, was described by Carl Eduard Hellmayr in 1924.

Nome scientifico
Scelorchilus albicollis
Autorità
(Kittlitz, 1830)
Ordine
Passeriformi
Famiglia
Rinocriptidi
Genere
Scelorchilus

Areale e habitat

The white-throated tapaculo is found only in Chile. Subspecies S. a. atacamae ranges from the Antofagasta Region south to the northern part of the Coquimbo Region. S. a. albicollis is found from the Coquimbo Region south to the Maule Region. The more northern part of its range is characterized by xeric shrublands and the more southerly part by woodlands and scrub in a Mediterranean climate. The species is usually found from sea level to 1,000 m (3,300 ft) but also up to 1,600 m (5,200 ft). It is thought to be sedentary.

Migrazione
Resident species

Comportamento

The white-throated tapaculo's diet is almost exclusively arthropods. It forages mostly on the ground in dense cover.<p>The white-throated tapaculo's nest is a cup made of soft grass built at the end of a tunnel up to 2 m (6.6 ft) long. Eggs are laid in September and October. Both the male and the female incubate the eggs and feed the nestlings.<p>The white-throated tapaculo sings from the ground or a low perch. The typical song is a series of "barking" notes falling in pitch [1]. The call is a harsh grunt that has been compared to a pig's [2].

Conservazione

Tendenza della popolazione
stable

Foto

Distribuzione

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