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Location Japan, Hokkaido
Central coordinates 141o 45.00' East  42o 39.00' North
IBA criteria A4i
Area 7,200 ha
Altitude 0 - 10m
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
Bean Goose Anser fabalis 2004  present  A4i  Least Concern 
Greater White-fronted Goose Anser albifrons 2004  present  A4i  Least Concern 
Tundra Swan Cygnus columbianus 2004  present  A4i  Least Concern 
Latham's Snipe Gallinago hardwickii 2004  present  A4i  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Utonai-ko Wetlands of International Importance (Ramsar) 510 protected area contained by site 510  
Utonaiko National Wildlife Special Protected Area 510 is identical to site 510  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Freshwater lakes and pools; Permanent swamps  -
Artificial - terrestrial Rice paddies  -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Lake Utonaiko, Yufutsu plain. Downloaded from http://www.birdlife.org on 23/08/2014

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