Family New World Sparrows (Passerellidae)

Least Concern

Half-collared Sparrow (Arremon semitorquatus)


Taxonomy

French: Tohi à semi-collier German: Halsband-Buschammer Spanish: Cerquero semiacollarado
Taxonomy:

Arremon semitorquatus

Swainson

, 1838,

Rio de Janeiro, Brazil

.

Until recently considered conspecific with A. taciturnus and the two are sister-species#R. In recent study found to be parapatric with latter, with no intermediate specimens or evidence of gene flow. Monotypic.

Distribution:

Atlantic montane areas of SE Brazil (E Minas Gerais and Espírito Santo S to NC Paraná and NE Rio Grande do Sul).

Descriptive notes

15 cm; 22–28 g. A medium-sized and chunky sparrow with relatively thick-based yet longish bill. Male has black head, narrow white supercilium beginning immediately above bill... read more

Voice

Song a high-pitched series of three whistles, each whistle descending in frequency, and each lower... read more

Habitat

Occupies undergrowth and understorey of montane forest, second growth, and overgrown fields and... read more

Food and feeding

No details of diet. Forages on ground, often by scratching in leaf litter. Tends to be found singly, sometimes in pairs or family groups.

Breeding

Season appears to be in austral spring, Sept–Dec; birds in moult by Feb. Nest a large bulky sphere made from dry grasses, twigs and dry... read more

Movements

Sedentary.

Status and conservation

Not globally threatened. Uncommon to locally fairly common. Has small but sufficiently extensive range. Apparently, no imminent threats to this species’ habitat or... read more

Recommended citation

Jaramillo, A. (2020). Half-collared Sparrow (Arremon semitorquatus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/61959 on 18 February 2020).