IBA Justification

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'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Black-faced Spoonbill Platalea minor EN winter 1993-2001 330-530 individuals A1, A4i

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2001).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Tainan County Zengwen River Mouth North Bank Black-faced Spoonbill Refuge 野生動物保護區 320 protected area contained by site 0
Tainan County Zengwen River Mouth 野生動物重要棲息環境 320 protected area contained by site 0
Taijiang 國家公園 4,738 protected area overlaps with site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) -
Artificial/Terrestrial -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
water management -
not utilised -
urban/industrial/transport -
other -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Chiku. Downloaded from on 02/10/2023.