kHz
ML106577431
- 性別與年齡
- 未成鳥,性別未知 - X
- 聲音
- 叫聲
- 回播
- 未使用回播
影音備註
Group of 31 immature birds with some giving these soft calls while swimming in the river.
觀察細節
Appeared to be one adult female and 31 immature birds! We counted twice! We looked hard but did not see any additional adults. I don't think they have that many in one brood??
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 3.45 MB