greylag goose
基本解釋
- [生物學]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)勢度分析發(fā)現(xiàn),豆雁和斑嘴鴨的其數(shù)量等級分別爲43.69%和11.98%,高於10%,爲優(yōu)勢種;小鸊鷉、蒼鷺、夜鷺、鴻雁、灰雁、綠頭鴨、灰鶴其數(shù)量等級在1%~10%之間,爲普通種;其餘水鳥爲稀有種。