ML130371511
- 性別與年齡
- 成鳥,性別未知 - X
觀察細節
Carefully studied. A flock of ten birds flying low over a residential area, mixed with few Vaux's Swifts. Typical shape (tailless), uniformly dark with contrasting pale rump. They had no evident contrast between throat and underparts, as seen in the accompanying Vaux's Swifts. These birds stayed at the site, vocalizing. I took some marginal, but conclusive, photos.
技術資訊
- 型號
- NIKON D7000
- ISO
- 1250
- 焦距
- 400 mm
- 閃光
- Flash did not fire, auto
- 光圈值
- f/5.6
- 快門
- 1/3999 sec
- 次方
- 1073 pixels x 711 pixels
- 原始檔案大小
- 141 KB