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Location Japan, Kumamoto
Central coordinates 130o 37.00' East  32o 37.00' North
IBA criteria A1, A4i
Area 1,300 ha
Altitude 0 - 15m
Year of IBA assessment 2004

Wild Bird Society of Japan



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black-faced Spoonbill Platalea minor winter  2004  present  A1, A4i  Endangered 
Grey-tailed Tattler Tringa brevipes passage  2004  present  A4i  Near Threatened 
Whimbrel Numenius phaeopus passage  2004  present  A4i  Least Concern 
Saunders's Gull Saundersilarus saundersi winter  2004  present  A1  Vulnerable 

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Estuarine waters; Intertidal mud, sand or salt flats  -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Hikawa estuary, Shiranui. Downloaded from http://www.birdlife.org on 23/10/2014

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