ML21770101
作者
Robert Dobbs 该用户提供的媒体文件
日期
地点
Five Rivers Delta Resource Center
Baldwin, Alabama, United States
该地点产生的媒体文件 配图名录- 年龄
- 未说明
- 性别
- 未说明
观察细节
1st cycle, obsvd flying down Blakeley River, initially rel. close (300m?) and rel. low, then circling higher and continuing downriver. Approx. 2 min observation, in good light (looking east w/ sun behind me). Bold black M on upperwing striking, w/ outer primaries all black, inner primaries bright white, mantle gray; black collar on upperside of neck seen well. Significantly larger than nearby Forster's Terns, approx. size of nearby Ring-billed Gulls. From 1st cycle Bonaparte's Gull by size, bulkier build w/ less buoyant flight, larger bill, black collar, more bold black M contrasting w/ bright white inner primaries, and lack of black in trailing edge of (upper) wing. Sketch and field notes made at time of obs attached.
技术信息
- 型号
- iPod touch
- 镜头
- iPod touch back camera 3.3mm f/2.4
- ISO
- 32
- 焦距
- 3.3 mm
- 闪光
- Flash fired
- 光圈
- f/2.4
- 快门速度
- 1/263 sec
- 尺寸
- 1936 pixels x 2592 pixels
- 原始文件大小
- 1.31 MB