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媒体文件注释
bushwhackingbirder.com
观察细节
Last stop for IAS Big May Day Count. Bird observed through scope at 400 meters walking perimeter of flooded field. At distance could not tell size. Through scope gull had small dark bill, dark ear patch, and yellowish legs which would be consistent with BOGU.. The small bill and light legs ruled out LAGU that I had considered from head pattern. Dark bill ruled out BHGU which would have been a stretch. It did not fly so I did not see wing pattern.
技术信息
- 型号
- COOLPIX P900
- ISO
- 400
- 焦距
- 1428 mm
- 闪光
- Flash did not fire, auto
- 光圈
- f/6.5
- 快门速度
- 1/400 sec
- 尺寸
- 840 pixels x 630 pixels
- 原始文件大小
- 52.14 KB