IBA Trigger species: Black-billed Gull, Black-fronted Tern, Wrybill.
Besides the trigger species the following species are confirmed or likely to be breeding: White-faced Heron, Australasian Harrier, Canada Goose, Paradise Shelduck, Mallard, Grey Teal, Californian Quail, Pukeko, South Island Pied Oystercatcher, Variable Oystercatcher, Pied Stilt, Banded Dotterel, Spur-winged Plover, Southern Black-backed Gull, Red-billed Gull, NZ Pigeon, Rock Pigeon, Shining Cuckoo, White-fronted Tern, NZ Kingfisher, Welcome Swal-low, NZ Pipit, Grey Warbler, South Island Fantail, Silvereye, Bellbird, Skylark, Hedge Sparrow, Blackbird, Song Thrush, Yel-lowhammer, Chaffinch, Greenfinch, Goldfinch, Redpoll, House Sparrow, Starling, Australian Magpie. Other species record-ed: Black Shag, Little Shag.
BirdLife International (2021) Important Bird Areas factsheet: Hurunui River. Downloaded from http://www.birdlife.org on 06/12/2021.