Data Zone
The site was identified as important in 2001 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 |
|---|---|---|---|---|---|
| Philippine Duck Anas luzonica | VU | resident | 1900-1919 | present | A1 |
| Nankeen 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 |
| Kentish Plover Charadrius alexandrinus | LC | winter | 1980 | 15,000 individuals | A4i |
| Charadrius mongolus | NR | winter | 1980 | 5,000 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 |
| A4iii Species group - waterbirds | n/a | winter | 1979-1982 | 32,000 individuals | A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2001) may differ.
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Artificial/Aquatic & Marine | Other artificial wetlands, Saltpans | major (>10) |
| Marine Intertidal | major (>10) | |
| Artificial/Terrestrial | - | |
| Marine Coastal/Supratidal | - | |
| Marine Neritic | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Manila Bay (Philippines). Downloaded from
https://datazone.birdlife.org/site/factsheet/manila-bay-iba-philippines on 23/11/2024.