greylag goose
基本解釋
- [生物學(xué)]灰雁
英英字典
- a large grey Eurasian goose, Anser anser: the ancestor of many domestic breeds of goose (US spelling graylag)
柯林斯英英字典
專(zhuān)業(yè)釋義
- 灰雁
The Bean Goose and the Spot-billed Duck dominates this community, the Little Grebe, the Grey Heron, the Black-crowned Night-Heron, the Swan Goose, the Greylag Goose, the Mallard and the Common Crane is also common, and the other species are rare.4.
3.優(yōu)勢(shì)度分析發(fā)現(xiàn),豆雁和斑嘴鴨的其數(shù)量等級(jí)分別為43.69%和11.98%,高于10%,為優(yōu)勢(shì)種;小鸊鷉、蒼鷺、夜鷺、鴻雁、灰雁、綠頭鴨、灰鶴其數(shù)量等級(jí)在1%~10%之間,為普通種;其余水鳥(niǎo)為稀有種。