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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
Black Scoter Melanitta americana	NT	passage (1997)	11,000 individuals	A4i

Year	Protected Area	Designation (management category)	% coverage of IBA
1985	Parc national de Miguasha	Parc national du Québec (III)	1
1992	Baie Pointe a la Garde 19-13-01	Wildlife Habitat, Waterfowl Gathering Area (VI)	1

Habitat	% of IBA	Habitat detail
Marine Intertidal	major (>10)
Marine Neritic	major (>10)

Land use	% of IBA
fisheries/aquaculture	major (>10)
tourism/recreation	major (>10)
urban/industrial/transport	major (>10)

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Restigouche River Estuary (Canada). Downloaded from https://datazone.birdlife.org/site/factsheet/restigouche-river-estuary-iba-canada on 12/01/2025.