ML414043821
- 性別與年齡
- 年齡性別未知 - 20
- 行為
- 飛行中
- 聲音
- 飛行叫聲
- 回播
- 未使用回播
影音備註
The background noise is unfortunate, but these birds were flying low and you can hear both a volume and a Doppler effect pitch shift in their voices as they pass overhead. Count is estimated.
觀察細節
The bird count in the recording is estimated at 20; the birds flew over in several waves.
其他鳥種
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 2.11 MB