加拿大鹅和绿头鸭是在弯曲这边两种动物。
Canadian Geese: a wild goose belonging to the genus Branta, which is native to arctic and temperate regions of North America, having a black head and neck, white patches on the face, and a brownish-gray body. It is often called the Canadian Goose, but that name is not the ornithological standard, or the most common name.
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Canadian Geese 加拿大鹅：
The Mallard, or Wild duck (Anas platyrhynchos), probably the best-known and most recognizable of all ducks, is a dabbling duck which breeds throughout the temperate and sub-tropical America, Europe, Asia, New Zealand (where it is currently the most common duck species), and Australia.
Mallard Ducks 绿头鸭:
All animal descriptions in this post was taken from Wikipedia.
Canadian Goose
Mallard Duck
