作者
Richard Bradus 该用户提供的媒体文件
日期
地点
Hayward Regional Shoreline--Mt. Trashmore
Alameda, California, 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
- 发声
- 鸣叫; 飞行鸣叫
- 回放
- 未说明
媒体文件注释
Calls from a group that became agitated and took flight.
观察细节
Conservative estimate. Separated into two large grazing flocks as I wandered about, and quite skittish, with multiple groups taking flight at various times, often without any provocation that I could determine.
技术信息
- 录音机
- TwistedWave app on iPhone. Normalized p high-pass filter (240Hz).
- 话筒
- 附件
- 原始文件大小
- 2.75 MB