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Location Japan, Oita
Central coordinates 131o 19.00' East  33o 35.00' North
IBA criteria A1, A4i
Area 3,800 ha
Altitude 0 - 5m
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
Whimbrel Numenius phaeopus 2004  present [units unknown]  A4i  Least Concern 
Terek Sandpiper Xenus cinereus 2004  present [units unknown]  A4i  Least Concern 
Grey-tailed Tattler Heteroscelus brevipes 2004  present [units unknown]  A4i  Least Concern 
Saunders's Gull Larus saundersi 2004  present [units unknown]  A1  Vulnerable 


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: Nakatsu and Usa tidal flats. Downloaded from on 21/04/2014

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