ML647192636
- 性別與年齡
- 未成鳥，性別未知 - 1
- 行為
- 飛行中
- 聲音
- 叫聲; 飛行叫聲
- 回播
- 未使用回播
影音備註
Calling when flushed. Three recordings fused into one. Intervals between calls have been cut. High-pass filter: 2000 Hz, roll-off 12 dB
觀察細節
Unusual presence in winter. First year bird Feeding along concrete bank of artificial lake
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 1.57 MB