Data Zone
The site was identified as important in 2009 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 |
|---|---|---|---|---|---|
| Tundra Swan Cygnus columbianus | LC | passage | 2006 | 2,682 individuals | A4i |
| Ring-billed Gull Larus delawarensis | LC | breeding | 1999 | 28,605 nests | A4i |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | Port Crescent | State Park | <1 |
| - | Coryeon Point (cotter Road Prairie) | Natural Area | <1 |
| - | Sebawaing Bay Prairie | Natural Area | <1 |
| - | US-MI-168-2 | Environmental System | <1 |
| 1944 | Sleeper | State Park | <1 |
| 1947 | Michigan Islands | National Wildlife Refuge | <1 |
| 1996 | WRP_Huron, MI (26063) | Environmental System | <1 |
| 1996 | WRP_Tuscola, MI (26157) | Environmental System | <1 |
| 2000 | Charity Island Fee | Private Conservation Land | <1 |
| 2006 | Fish Point | State Wildlife Area | <1 |
| 2007 | Michigan Islands | National Wildlife Refuge | <1 |
| 2008 | 00-00-0020 | Environmental System | <1 |
| 2008 | 01-32-0021-V | Environmental System | <1 |
| 2008 | 00-32-0090 | Environmental System | <1 |
| 2008 | 01-79-0034 | Environmental System | <1 |
| 2009 | 00-00-0031 | Environmental System | <1 |
| 2012 | 11-32-0010 | Environmental System | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Saginaw Bay (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/saginaw-bay-iba-usa on 23/11/2024.