IBA Trigger species: Black-billed Gull, Black-fronted Tern
Other species: Besides the trigger species the following are confirmed or likely to be breeding: Canada Goose, Mallard, Grey Duck, Australasian Harrier, NZ Falcon, South Island Pied Oystercatcher, Pied Stilt, Banded Dotterel, Spur-winged Plover, Southern Black-backed Gull, NZ Kingfisher, Welcome Swallow, NZ Pipit, Grey Warbler, Silvereye, Sky-lark, Blackbird, Song Thrush, Yellowhammer, Chaffinch, Greenfinch, Goldfinch, Redpoll, House Sparrow, Starling, Australian Magpie.
Pressure/threats to key biodiversity
Protected areas
Ka Whata Tu o Rakihouia - Conservation Park - Protected area overlaps with site
Molesworth - Recreation Reserve - Protected area overlaps with site
These conservation areas, together with The Hassock Conservation Area and St James Conservation Area, border large sections of the Clarence, Acheron and Saxton Rivers. There are also extensive Marginal Strip on each of the rivers and tributaries.