The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
---|---|---|---|---|---|
Canvasback Aythya valisineria | LC | winter | 1997 | 14,000 individuals | A4i |
Greater Scaup Aythya marila | LC | winter | 1997 | 10,000 individuals | A4i |
Bonaparte's Gull Larus philadelphia | LC | passage | 1995 | 100,000 individuals | A4i |
Ring-billed Gull Larus delawarensis | LC | breeding | 1998 | 16,000 breeding pairs | A4i |
Arctic Herring Gull Larus smithsonianus | LC | winter | 1995 | 20,000 individuals | A4i |
A4iii Species group - waterbirds | n/a | passage | - | 50,000-99,999 individuals | A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.
Habitat1 | Habitat detail | % of IBA |
---|---|---|
Artificial/Terrestrial | Other urban & industrial areas, Arable land, Urban parks & gardens | major (>10) |
Rocky areas (eg. inland cliffs, mountain peaks) | major (>10) | |
Wetlands (inland) | Rivers | major (>10) |
Land use | % of IBA |
---|---|
tourism/recreation | major (>10) |
urban/industrial/transport | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Niagara River Corridor (Canada). Downloaded from
https://datazone.birdlife.org/site/factsheet/niagara-river-corridor-iba-canada on 23/11/2024.