Data Zone
The site was identified as internationally important for bird conservation 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 List | Season (year[s] of estimate) | 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 birds | A4iii |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1985 | Caohai | Nature Reserve (V) | 100 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| 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 05/12/2024.