Data Zone
Year of most recent IBA criteria assessment: 2008
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
|---|---|---|---|---|---|
| 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 |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Wetlands (inland) | Rivers | - |
| Coastline | Cliffs, rocky shores, islets, freshwater | - |
| Land-use | Extent (% of site) |
|---|---|
| tourism/recreation | - |
| urban/industrial/transport | - |
Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Niagara River Corridor. Downloaded from
http://www.birdlife.org on 07/03/2021.
