dunlin

1. The dominant species were Tufted Duck ( Aythya fuligula), Black-headed Gull ( Larus ridibundus), Dunlin ( Calidris alpina) and Little Egret ( Egretta garzetta), and the individual number of these 4 species occupied 76% of the total individual number.
   其中，风头潜鸭（Aythyafuligula）、红嘴鸥（Larusridibundus）、黑腹滨鹬（Calidrisalpina）和白鹭（Egrettagarzetta）为优势种，其数量之和占总数量的76%。
2. The main conclusions were as follows: 1. An effective age determination method was developed after comparison between Dunlin samples from breeding grounds in Alaska and several wintering grounds in mainland China and Taiwan.
   主要结论如下：1.通过比较黑腹滨鹬在中国大陆和台湾的多个越冬地以及美国繁殖地的羽毛特征，确定了判断东亚-澳大利西亚迁徙路线上黑腹滨鹬年龄的准则。

noun

1. small common sandpiper that breeds in northern or Arctic regions and winters in southern United States or Mediterranean regions

   Synonym:    red-backed sandpiperErolia alpina