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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 IBA criteria.

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

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Double-crested Cormorant Nannopterum auritum	LC	breeding (1997)	7,431 breeding pairs	A4i
Arctic Herring Gull Larus smithsonianus	LC	breeding (1997)	2,500 breeding pairs	A4i

Year	Protected Area	Designation (management category)	% coverage of IBA
1976	East Sister Island Provincial Park (Nature Reserve Class)	Provincial Park (Ia)	<1

Habitat	% of IBA	Habitat detail
Forest	-	Temperate deciduous
Rocky areas (eg. inland cliffs, mountain peaks)	-	Inland cliffs
Wetlands (inland)	-

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

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Pelee Island Archipelago (Canada). Downloaded from https://datazone.birdlife.org/site/factsheet/pelee-island-archipelago-iba-canada on 17/01/2025.