Sites - Important Bird and Biodiversity Areas (IBAs)
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139o 50.00' East 38o 54.00' North
0 - 8m
Year of IBA assessment
Wild Bird Society of Japan
Site description The Mogamigawa river that runs in the northwest of Yamagata Prefecture is one of the three main rapid streams in Japan. The Mogamigawa estuary is a wintering ground for some 10,000 swans. Besides the swans, wild ducks and sea gulls also visit this area. Peregrine Falcons and Goshawks/Northern Goshawks visit here to hunt for the waterfowl.