ML647192636
- 年龄和性别
- 未成年性别未知 - 1
- 行为
- 飞行
- 发声
- 鸣叫; 飞行鸣叫
- 回放
- 未使用回放
媒体文件注释
Calling when flushed. Three recordings fused into one. Intervals between calls have been cut. High-pass filter: 2000 Hz, roll-off 12 dB
观察细节
Unusual presence in winter. First year bird Feeding along concrete bank of artificial lake
技术信息
- 录音机
- 话筒
- 附件
- 原始文件大小
- 1.57 MB