ML525139291
- 年齡
- 未確定
- 性別
- 未確定
觀察細節
Mixed with BWTE, counted by tens. JVD counted the largest duck flock by tens using a telescope and a hand clicker. This flock was mostly BWTE and NOSH. Entire flock was 8470, which we divided 60% BWTE and 40% NOSH. Final tally includes birds seen in other impoundments.
其他鳥種
技術資訊
- 型號
- Canon EOS 90D
- 鏡頭
- EF100-400mm f/4.5-5.6L IS II USM
- ISO
- 100
- 焦距
- 400 mm
- 閃光
- Flash did not fire
- 光圈值
- f/9.0
- 快門
- 1/800 sec
- 次方
- 6960 pixels x 4640 pixels
- 原始檔案大小
- 5.22 MB