ML74434121
- 年齡
- 未確定
- 性別
- 未確定
觀察細節
Black Scoter's very interesting repeated head-dipping behavior was seen several times while swimming and prior to an underwater dive. See Sibley: "throws head downward when exercising wings, a distinctive motion". My observations did not involve the scoter exercising wings. However, on the Black Scoter's several takeoffs, I heard shrill whistling as described also in Sibley. First time this species has been seen by me on the Herring River.
技術資訊
- 型號
- NIKON D800
- ISO
- 2000
- 焦距
- 70 mm
- 閃光
- Flash did not fire, auto
- 光圈值
- f/6.3
- 快門
- 1/2500 sec
- 次方
- 1531 pixels x 1021 pixels
- 原始檔案大小
- 627.57 KB