''Calamanthus'' is a genus of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

in the family

Acanthizidae The Acanthizidae—known as Australian warblers—are a family of passerine birds which includes gerygones, the thornbills '' Acanthiza'', and the scrubwrens of '' Sericornis''. The Acanthizidae family consists of small to medium passerine birds, ...

. A poorly researched genus, the

alliance An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...

has been recognised as a single species treatment (Schodde, 1975) and later two species or provisionally three separate species. '' Birds of the World: Recommended English Names'' lists the following three species: * '' Calamanthus campestris'', rufous fieldwren * '' Calamanthus fuliginosus'', striated fieldwren *'' Calamanthus montanellus'', Western fieldwren - sometimes considered a subspecies of the rufous fieldwren ''Calamanthus campestris'' ('' C. campestris montanellus'')

References

* Del Hoyo, J.; Elliot, A. & Christie D. (editors). (2006). Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Lynx Edicions. Bird genera Taxa named by John Gould Taxonomy articles created by Polbot {{Acanthizidae-stub