graylag
🇬🇧/ˈɡreɪlæɡ/ 🇺🇸/ˈɡreˌlæɡ/common gray wild goose of Europe; ancestor of many domestic breeds
noun [专属名词] 灰色雁(雁的一种)
Very large wild goose of northeast Asia; interbreeds freely with the graylag. 亚洲东北部非常大的野鹅;与灰雁自由杂交。