ML614420135
- 性別與年齡
- 年齡性別未知 - X
- 聲音
- 飛行叫聲
- 回播
- 未確定
影音備註
Flyover band of minimum 6 Ross's. Higher pitched honks at 4 and 8 seconds.
觀察細節
Roughly counted a flyover band by 10s, then extrapolated that count to the series of bands overhead. Roughly 1/10 of the total (12,000) were Ross's Geese. No blue morphs.
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 797.67 KB