Data Zone
Year of most recent IBA criteria assessment: 2001
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
|---|---|---|---|---|---|
| Philippine Duck Anas luzonica | VU | resident | 1900-1919 | present | A1 |
| Rufous Night-heron Nycticorax caledonicus | LC | non-breeding | 1999 | common | A4i |
| Cattle Egret Bubulcus ibis | LC | non-breeding | 1999 | common | A4i |
| Grey Heron Ardea cinerea | LC | non-breeding | 1999 | common | A4i |
| Purple Heron Ardea purpurea | LC | non-breeding | 1999 | common | A4i |
| Great White Egret Ardea alba | LC | non-breeding | 1999 | common | A4i |
| Chinese Egret Egretta eulophotes | VU | non-breeding | 1900-1949 | present | A1 |
| Little Egret Egretta garzetta | LC | non-breeding | 1999 | common | A4i |
| Pacific Golden Plover Pluvialis fulva | LC | winter | 1987-1991 | 2,100 individuals | A4i |
| Little Ringed Plover Charadrius dubius | LC | winter | 1980 | 2,000 individuals | A4i |
| Lesser Sandplover Charadrius mongolus | LC | winter | 1980 | 5,000 individuals | A4i |
| Kentish Plover Charadrius alexandrinus | LC | winter | 1980 | 15,000 individuals | A4i |
| Marsh Sandpiper Tringa stagnatilis | LC | winter | 1987-1991 | 1,500 individuals | A4i |
| Spotted Greenshank Tringa guttifer | EN | winter | 1927 | present | A1 |
| White-winged Tern Chlidonias leucopterus | LC | winter | 1999 | 1,000 individuals | A4i |
| Common Tern Sterna hirundo | LC | winter | 1999 | common | A4i |
| Common Gull-billed Tern Gelochelidon nilotica | LC | winter | 1999 | 2,000 individuals | A4i |
| Chinese Crested Tern Thalasseus bernsteini | CR | non-breeding | 1905 | present | A1 |
| A4iii Species group - waterbirds | n/a | winter | 1979-1982 | 32,000 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) |
|---|---|---|
| Sea | - | |
| Wetlands (inland) | - | |
| Artificial/Terrestrial | - | |
| Coastline | - |
Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Manila Bay. Downloaded from
http://www.birdlife.org on 21/01/2022.
