ML130390311
作者
Mark W11 Kulstad 该用户提供的媒体文件 档案
日期
地点
Baytown Nature Center (UTC 039)
Harris, Texas, United States
该地点产生的媒体文件 配图名录- 年龄和性别
- 年龄性别未知 - 1
- 行为
- 飞行
观察细节
With Snow Geese. In photo below, it is at bottom center. The dark head with dark neck is a feature of Greater White-fronted Goose. However, this feature is shared with juvenile of Snow and Ross's Goose. So note lack of black primaries and presence of black tail, which definitely separates Greater White-fronted Goose from these two other species at whatever age. White undertail coverts and vent provide confirming marks.
额外物种
技术信息
- 型号
- DSC-HX200V
- 镜头
- 4.8-144mm f/2.8-5.6
- ISO
- 100
- 焦距
- 141.4 mm
- 闪光
- Flash did not fire, auto
- 光圈
- f/5.6
- 快门速度
- 1/500 sec
- 尺寸
- 1382 pixels x 987 pixels
- 原始文件大小
- 807.36 KB