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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Flesh-footed Shearwater Ardenna carneipes	NT	resident (1997)	7,100 pairs	A4ii
Australasian Bittern Botaurus poiciloptilus	VU	resident (1988–1995)	uncommon	A1
Carnaby's Black-cockatoo Zanda latirostris	EN	non-breeding (1995)	frequent	A1, A3
Red-capped Parrot Purpureicephalus spurius	LC	resident (1998–2008)	common	A3
Western Rosella Platycercus icterotis	LC	resident (1998–2008)	frequent	A3
Rock Parrot Neophema petrophila	LC	resident (1998–2008)	common	A3
Noisy Scrub-bird Atrichornis clamosus	EN	resident (2006)	372 males	A1, A2, A3
Red-winged Fairywren Malurus elegans	LC	resident (1998–2008)	common	A2, A3
Western Bristlebird Dasyornis longirostris	EN	resident (2006)	202 males	A1, A2, A3
Western Spinebill Acanthorhynchus superciliosus	LC	resident (1998–2008)	common	A3
Western Thornbill Acanthiza inornata	LC	resident (1998–2008)	uncommon	A3
Western Whipbird Psophodes nigrogularis	LC	resident (2006)	175 males	A1, A2, A3
White-breasted Robin Quoyornis georgianus	LC	resident (1998–2008)	common	A2, A3
Red-eared Firetail Stagonopleura oculata	LC	resident (1998–2008)	common	A2, A3

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
Natural system modifications	happe­ning now	whole of popul­ation/area (>90%)	slow decline (1–10% over 3 gener­ations)	high
Invasive and other problematic species and genes	happe­ning now	most of popul­ation/area (50–90%)	slow decline (1–10% over 3 gener­ations)	high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
1961	Waychinicup	National Park (II)	15
1961	Bald Island	Nature Reserve (Ia)	3
1964	Cheyne Road	Nature Reserve (Ia)	1
1966	Two Peoples Bay	Nature Reserve (IV)	16
1979	Mount Manypeaks	Nature Reserve (Ia)	5
1980	Arpenteur	Nature Reserve (Ia)	<1
2010	Unnamed WA50574	5(1)(h) Reserve (IV)	-

Habitat	% of IBA	Habitat detail
Shrubland	75	Heath; Other shrublands
Marine Coastal/Supratidal	20
Forest	5	Other forests & woodlands

Land use	% of IBA
nature conservation and research	70
water management	20
tourism/recreation	10

Western Australian State government with the Department of Environment & Conservation (WA); City of Albany responsible for management.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Two Peoples Bay and Mount Manypeaks (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/two-peoples-bay-and-mount-manypeaks-iba-australia on 23/12/2024.