Text extracted from Gill B.J.; Bell, B.D.; Chambers, G.K.; Medway, D.G.; Palma, R.L.; Scofield, R.P.; Tennyson, A.J.D.; Worthy, T.H. 2010. Checklist of the birds of New Zealand, Norfolk and Macquarie Islands, and the Ross Dependency, Antarctica. 4th edition. Wellington, Te Papa Press and Ornithological Society of New Zealand. Pages 156 &165-166. Order CICONIIFORMES: Herons, Ibises and Allies We recognise only herons, ibises and their allies as members of the Ciconiiformes, following Cracraft et al. (2004) who showed that the use of Ciconiiformes to include most of the non-passerines, sensu Sibley & Monroe (1990), is untenable as the taxon is then paraphyletic. Suborder THRESKIORNITHES: Ibises and Spoonbills Family THRESKIORNITHIDAE Poche: Ibises and Spoonbills Subfamily THRESKIORNITHINAE Poche: Ibises Threskiornithidae Poche, 1904: Zool. Anzeig. 27: 498 – Type genus Threskiornis G.R. Gray, 1842. Genus Plegadis Kaup Plegadis Kaup, 1829: Skizz. Entw.-Gesch. Eur. Thierw.: 82 – Type species (by monotypy) Tantalus Falcinellus Linnaeus = Plegadis falcinellus (Linnaeus). Tantalides Wagler, 1832: Isis von Oken, Heft 11: 1231 – Type species (by subsequent designation) Tantalus Falcinellus Linnaeus = Plegadis falcinellus (Linnaeus). Plegadornis C.L.Brehm, 1855: Naumannia: 290. Unnecessary nomen novum for Plegadis Kaup, 1829. Egatheus Lönnberg, 1906: Journ. für Ornith. 54: 533 – Type species (by monotypy) Egatheus autumnalis (Linnaeus) = Plegadis falcinellus (Linnaeus). Junior homonym of Egatheus Billberg, 1828. Plegadis falcinellus Linnaeus Glossy Ibis Tantalus Falcinellus Linnaeus, 1766: Syst. Nat., 12th edition 1: 241 – Austria & Italy. Ibis peregrina Bonaparte, 1855: Consp. Gen. Avium 2: 159 – Java & Sulawesi, Indonesia. Plegadis falcinellus (Linnaeus); Buller 1905, Suppl. Birds N.Z. 1: 192. Egatheus falcinellus (Linnaeus); Mathews 1912, Novit. Zool. 18(3): 228. Plegadis falcinellus rogersi Mathews, 1916: Austral Avian Rec. 3: 256 – Parry’s Creek, Western Australia. Plegadis falcinellus peregrinus (Bonaparte); Checklist Committee 1953, Checklist N.Z. Birds: 33. Plegadis falcinellus (Linnaeus); Checklist Committee 1990, Checklist Birds N.Z.: 94. Southern North America, Europe, Africa, central Asia, India, Malaysia, Indonesia, New Guinea, Australia. Vagrant to New Zealand, first recorded at Washdyke, Timaru, in 1902; now expected annually, but no indication of staying to breed. Sometimes irrupts in small flocks as in 1953 (Sansom et al. 1954), 1968–69 (e.g. Child 1969), 1975 (Edgar 1976), 1988 (Keeley 1988). Chatham Islands: one, Dec. 1984 (Powlesland & Crockett 1986). .