IBA Trigger species: NZ Fairy Tern, Black-billed Gull, NZ Dotterel, Wrybill, South Island Pied Oyster-catcher, Australasian Bittern
Besides the trigger species the following are confirmed or likely to be breeding or resident within the site’s boundaries: Black Shag, Pied Shag, Little Shag, Little Black Shag, White-faced Heron, Reef Heron, Black Swan, Canada Goose, Cape Barren Goose, Paradise Shelduck, Mallard, Grey Teal, NZ Shoveler, NZ Scaup, Australasian Harri-er, Banded Rail, Spotless Crake, Pukeko, Variable Oystercatcher, Pied Stilt, Banded Dotterel, Black-fronted Dotterel, Spur-winged Plover, Southern Black-backed Gull, Red-billed Gull, Caspian Tern, White-fronted Tern, Californian Quail, Brown Quail, Ring-necked Pheasant, Peafowl, NZ Pigeon, Rock Pigeon, Barbary Dove, Eastern Rosella, NZ Kingfisher, Welcome Swallow, NZ Pipit, North Island Fernbird, Grey Warbler, NZ Fantail, Silvereye, Tui, Skylark, Hedge Sparrow, Blackbird, Song Thrush, Yellowhammer, Chaffinch, Greenfinch, Goldfinch, Redpoll, House Sparrow, Starling, Common Myna, Australian Magpie.
Other species recorded: Australasian Gannet, White Heron, Royal Spoonbill, Cattle Egret, Mongolian Dotterel, Pacific Gold-en Plover, Turnstone, Curlew Sandpiper, Sharp-tailed Sandpiper, Pectoral Sandpiper, Red-necked Stint, Far-eastern Curlew, Asiatic Whimbrel, Red (Lesser) Knot, Eastern Bar-tailed Godwit, Asiatic Black-tailed Godwit, Grey-tailed (Siberian) Tattler, Terek Sandpiper, Great Sand Plover, Lesser Sand Plover, Marsh Sandpiper. NB: All major roost areas are included in the IBA.
BirdLife International (2021) Important Bird Areas factsheet: Kaipara Harbour. Downloaded from http://www.birdlife.org on 06/12/2021.