kHz
ML315693471
- 年龄和性别
- 成鸟,性别未知 - 30
- 行为
- 飞行
- 发声
- 飞行鸣叫
- 回放
- 未说明
媒体文件注释
Calls from around 30 birds in tight flock chasing one another - "circus flight"
观察细节
Large flock in tight group chasing each other and giving trilling calls - "circus flight". Photos suggest most (all?) birds in advanced primary moult.
技术信息
- 录音机
- 话筒
- 附件
- 原始文件大小
- 13.27 MB