ML642767746
作者
Stephen Fettig 该用户提供的媒体文件
日期
地点
CA Sacramento, Michigan Bar Road, south of river
Sacramento, California, 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
- 发声中
观察细节
This was a nearly exact count of swallows on the power lines. I checked a very large number of these swallows when they were on the lines to make sure they all seemed to be VGSW. Attached is one cell-phone photo showing 124 VGSW in one view, when not all the swallows were on the lines.
技术信息
- 尺寸
- 3240 pixels x 2163 pixels
- 原始文件大小
- 1.54 MB