The Saemangeum land reclamation, completed on the west coast last year and covering about 400 square kilometres, has removed one of the largest feeding grounds on the Yellow Sea for 400,000 migratory birds who pass by a year, Birds Korea and the Royal Society for the Protection of Birds (RSBP) said.
The two groups said the project has led to a loss of shellfish, fish and plants for the shore birds, who used to stop there during their journeys between Russia and Asia.
"These birds could be too poorly fed this year to survive their final flight north," it said.
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photo by Charles Lam