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The site was identified as important in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Pied Oystercatcher Haematopus longirostris	LC	resident	1982-2008	112-382 individuals	A4i
Sooty Oystercatcher Haematopus fuliginosus	LC	resident	1982-2008	152-200 individuals	A4i
Hooded Plover Thinornis cucullatus	VU	resident	1995-2007	18 breeding pairs	A1
Fairy Tern Sternula nereis	VU	resident	1977-2008	29 individuals	A1
Rock Parrot Neophema petrophila	LC	resident	1998-2008	common	A3
Blue-breasted Fairywren Malurus pulcherrimus	LC	resident	1998-2008	uncommon	A3
Western Whipbird Psophodes nigrogularis	LC	resident	2008	frequent	A1, A2, A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2008) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Residential and commercial development	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Human intrusions and disturbance	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Agricultural expansion and intensification	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation	% overlap with IBA
-	Heritage Agreement 870	Conservation Covenant	<1
1991	Whidbey Isles	Conservation Park	1
1993	Unnamed (No.HA870)	Heritage Agreement	<1
1993	Mount Dutton Bay	Conservation Park	<1
1999	Coffin Bay	National Park	90
2009	Thorny Passage	Marine Park	7
2009	Thorny Passage	Marine Park	7

Habitat1	Habitat detail	% of IBA
Marine Intertidal		major (>10)
Marine Neritic		major (>10)
Shrubland	Mallee shrublands & woodlands, Other shrublands	major (>10)
Forest	Callitris forests & woodlands, Casuarina forests & woodlands	minor (<10)

1. IUCN Habitat classification.

Land use	% of IBA
fisheries/aquaculture	major (>10)
nature conservation and research	major (>10)

Department for Environment and Heritage; Dept. of Fisheries and PIRSA Aquaculture manage private oyster farm leases.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Coffin Bay (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/coffin-bay-iba-australia on 23/11/2024.