A common wild goose(Branta canadensis) of North America, having grayish plumage, a black neck and head, and a white throat patch.

• 黑额黑雁：北美洲的一种普通野鹅（黑额黑雁），长有淡灰色羽毛、黑色的头和颈以及白色的喉部斑