ML618653807
- 年齡
- 未確定
- 性別
- 未確定
觀察細節
Observed 2 black terns amongst the Forstrrs Terns and swallows. Smaller and darker than the Forsters Terns and only slightly bigger than the swallows, maybe 1 1/2 times larger than swallows, black head and body, white undertail, dark gray above, pale gray underside wings.
技術資訊
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