Because of covering mangroves and many ponds, some wetlands of estuary and bay like Dongzhaigang, Yangpu Port and Beili Bay were selected as feeding and roost sites by many watcrbirds.

• 由于港湾湿地如东寨港、洋浦港、北黎湾具有广阔的滩涂，以及大面积的红树林和周围众多的养殖塘，为越冬水鸟提供了丰富的食物。