ML274273231
作者
日期
地点
- 年龄
- 未说明
- 性别
- 未说明
观察细节
On the flats loosely associating with skimmers and laughing gulls. First noticed an adultish herring like gull with a heavily streaked head that came down to its uppersides. I also noticed the slimmer bill and from a distance a black tip. These features caught my eye so I mentioned to all the other surveyors to look more closely at the bird. At this point I started suspecting we had a California gull but we could only see the front side as it was facing us. Clay Taylor, Richard Gibbons, Chris Bick and I decided to walk a little closer and get a different angle. At that point it was clear the bird was larger than the laughing gulls but not particularly large. We were then able to see it had a dark eye and a slight smudge of red on its black tipped bill. The legs were a dull green. Mantle was dark, only a tad lighter than the laughing gull mantles. The wingtips were long, pointy and black with three to four white tips visible. Altogether these features rule out herring. Ring-billed eliminated by eye color but also on this age of a bird, the streaking would be finer and more confined to the nape and not down to the sides. The gull is probably a third cycle bird or near-adult.
技术信息
- 型号
- E-M1MarkII
- 镜头
- OLYMPUS M.100-400mm F5.0-6.3
- ISO
- 200
- 焦距
- 400 mm
- 闪光
- Flash did not fire
- 光圈
- f/6.3
- 快门速度
- 1/250 sec
- 尺寸
- 369 pixels x 249 pixels
- 原始文件大小
- 31.06 KB