From the coastal dikes to the water at low tide, it's six kilometers. Various kinds of shrimp, crab and shellfish live here, including many unusual species such as mud shrimp that build their nests on shore. There are also mactra and other wild clams. The rich biodiversity attracts nearly 200 species of birds each year to forage.
車行往南到芳苑鄉海岸，是寬闊潮間帶，一望無際的泥灘地，從堤防綿延到海邊，寬達 6 公里，各種蝦、蟹、貝類棲息其中，包括許多特殊物種，例如在岸上築巢的螻蛄蝦、野生文蛤、馬珂蛤等；由於底棲生物相豐富多樣，每年也吸引了近 200 種鳥類到此覓食。