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 |
|---|---|---|---|---|---|
| Bar-headed Goose Anser indicus | LC | non-breeding | 2003 | present | A4i |
| Ruddy Shelduck Tadorna ferruginea | LC | unknown | 2003 | present | A4i |
| Baer's Pochard Aythya baeri | CR | winter | 2003 | present | A1 |
| Gadwall Mareca strepera | LC | non-breeding | 2003 | present | A4i |
| Eurasian Wigeon Mareca penelope | LC | winter | 2003 | present | A4i |
| Eurasian Coot Fulica atra | LC | non-breeding | 2003 | present | A4i |
| Black-necked Crane Grus nigricollis | NT | winter | 2003 | present | A1, A4i |
| Eastern Imperial Eagle Aquila heliaca | VU | passage | 2003 | present | A1 |
| A4iii Species group - waterbirds | n/a | unknown | 2003 | min 20,000 individuals | A4iii |
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 |
|---|---|---|---|
| 1985 | Caohai | Nature Reserve | 100 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Artificial/Terrestrial | - | |
| Wetlands (inland) | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cao Hai Nature Reserve (China (mainland)). Downloaded from
https://datazone.birdlife.org/site/factsheet/cao-hai-nature-reserve-iba-china-(mainland) on 22/11/2024.