- 年齡
- 未確定
- 性別
- 未確定
觀察細節
Male exhibiting clear yellow bill, dark body relative to female Mallards nearby, contrastingly light head, blue speculum with bold white stripes fore and aft, no white on edge of tail or undertail coverts, single dark curled upppertail covert. Photos tba.
技術資訊
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