豆雁、绿翅鸭、罗纹鸭等为优势种。
Were the preponderant species .
2006年3~5月记录到雁鸭类3属8种,优势种为绿翅鸭、白眉鸭(A.querquedula)和斑嘴鸭。
While , we indicated 8 species ( 3 genera ) during March and May , Common Teal and Garganey ( A. querquedula ) were the dominant species .