(Greenly Island) and the Province of Québec Society for the Protection of Birds (Aux Perroquets Island) are the landowners of the islands in the Migratory Bird Sanctuary. More than a dozen species of seabirds, including the ring-billed gull, the herring gull, tern species, the razorbill, the black guillemot and the Atlantic puffin, flock to Greenly Island during the breeding season.
(Greenly Island) and the Province of Québec Society for Bird Preservation (Aux Perroquets Island) are the proprietors of the islands in the Migratory Bird Sanctuary. A multitude of seabird species, including ring-billed gulls, herring gulls, terns, razorbills, black guillemots, and Atlantic puffins, gather on Greenly Island during their breeding season.