Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Passeriformes Linnaeus, 1758 Family Acanthisittidae Sundevall, 1872 - New Zealand wrens Genus Xenicus G.R. Gray, 1855 1 ‡Xenicus longipes (J.F. Gmelin, 1789) - bush wren 2 Xenicus gilviventris Pelzeln, 1867 - South Island wren 3 ‡Xenicus lyalli (Rothschild, 1894) - Stephens Island wren