views updated

Acanthizidae (bristlebirds, scrub wrens, fairy warblers, thornbills, whitefaces; class Aves, order Passeriformes) A family of birds all of which build domed nests. They have thin, pointed bills with basal bristles, are insectivorous, and vary from being strictly arboreal (fairy warblers) to ground-feeding (scrub wrens). The sexes are usually similar. There are 17 genera, comprising 63 species. (Acanthiza (thornbills) are sometimes placed in the Sylviidae or Maluridae.) They are found mainly in Australia and New Guinea.