ML20072911
Arctic/Antarctic Tern Sterna paradisaea/vittata
- 年龄
- 未说明
- 性别
- 未说明
观察细节
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.
技术信息
- 型号
- Canon EOS-1D Mark III
- 镜头
- EF500mm f/4L IS USM
- ISO
- 400
- 焦距
- 500 mm
- 闪光
- Flash did not fire
- 光圈
- f/5.6
- 快门速度
- 1/3200 sec
- 尺寸
- 1723 pixels x 1148 pixels
- 原始文件大小
- 978.7 KB