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The site was identified as internationally important for bird conservation in 2008 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
Brent Goose Branta bernicla	LC	passage (1997)	10,000 birds	A4i
Purple Sandpiper Calidris maritima	LC	winter (1998)	350 birds	A4i
Bonaparte's Gull Larus philadelphia	LC	winter (1998)	6,000 birds	A4i
Arctic Herring Gull Larus smithsonianus	LC	winter (1998)	5,500 birds	A4i
Razorbill Alca torda	LC	winter (1998)	52,000 birds	A4ii
A4iii Species group - waterbirds	n/a	non-breeding (1998–1999)	20,000-49,999 birds	A4iii

Year	Protected Area	Designation (management category)	% coverage of IBA
2014	High Duck Island	Protected Natural Area (Ib)	<1
2014	North And South Green Islands	Protected Natural Area (Ib)	<1
2014	Western Green Island	Protected Natural Area (Ib)	<1

Habitat	% of IBA	Habitat detail
Marine Neritic	50
Forest	20	Boreal mixed; Boreal coniferous
Marine Intertidal	15
Marine Coastal/Supratidal	10
Shrubland	5	Scrub
Grassland	minor (<10)	Steppe & dry calcareous

Land use	% of IBA
nature conservation and research	major (>10)
fisheries/aquaculture	major (>10)
hunting	major (>10)
tourism/recreation	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Grand Manan Archipelago (Canada). Downloaded from https://datazone.birdlife.org/site/factsheet/grand-manan-archipelago-iba-canada on 27/12/2024.