Subspecies
This species inhabits a broad range, and its appearance changes depending on its location hence the name "Varied" Sittella. The Australian subspecies are chrysoptera (Orange-winged Sitella), pileata (Black-capped Sitella), striata (Streaked Sitella), leucocephala (White-headed Sitella) and leucoptera (White-winged Sitella). The New Guinea subspecies are papuensis (Papuan or New Guinea Sitella), sometimes given specific status alba (White Sitella), intermedia (Intermediate Sitella) and albifrons (White-fronted Sitella)
Read more about this topic: Varied Sittella