Family Thornbills (Acanthizidae)

Least Concern

Western Fieldwren (Calamanthus montanellus)


French: Séricorne montanelle German: Gelbbauchhuscher Spanish: Sedosito occidental

Calamanthus montanellus


, 1903,

Stirling Range, south Western Australia


See C. fuliginosus. Separation of present species and C. campestris into two species is provisional#R, requiring confirmation of parapatric distributions and clear differences in voice. Monotypic.


Western Australia S of a line drawn roughly from Geraldton SE to Point Culver (but excluding extreme SW corner).

Descriptive notes

11·5–13·5 cm; 14 g. A small, streaked acanthizid with short, relatively fine bill, and long, slightly graduated tail usually held cocked. Male has... read more


Distinctive; a musical short phrase, “per-chee chip ter chewee”, slightly upswept at end, different... read more


Mallee and coastal heaths and woodland thickets and shrublands, including paperbarks (Melaleuca... read more

Food and feeding

Largely insectivorous, also seeds, but details poorly known as species often subsumed in C. campestris. Arthropods taken include... read more


Season Jul–Dec; may be double-brooded in years with good rainfall. Domed nest with side entrance, made of coarse dry grass, dry... read more



Status and conservation

Not assessed. Uncommon. Much of this species’ habitat has been cleared or modified for farming, and is now considerably fragmented. May survive for a time in remnants such as... read more

Recommended citation

Gregory, P. (2019). Western Fieldwren (Calamanthus montanellus). 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 on 18 February 2019).