ML20072951
Arctic/Antarctic Tern Sterna paradisaea/vittata
- 年齡
- 未確定
- 性別
- 未確定
觀察細節
We spent about an hour carefully watching terns here and saw at least four birds that we thought were Arctic Terns and include photos of some here. The most obvious difference was the short legs (always shorter than nearby Antarctic Terns), the smaller size in direct comparison, with a proportionately squat body and attenuated rear and also a much shorter neck. Molt timing for bird in flight seems advanced to me, but I haven't read up on them much.
技術資訊
- 型號
- Canon EOS-1D Mark III
- 鏡頭
- EF500mm f/4L IS USM
- ISO
- 500
- 焦距
- 500 mm
- 閃光
- Flash did not fire
- 光圈值
- f/10.0
- 快門
- 1/500 sec
- 次方
- 3888 pixels x 2592 pixels
- 原始檔案大小
- 4.82 MB