ML646989321
- 年齡
- 未確定
- 性別
- 未確定
- 回播
- 未確定
觀察細節
At least five separate birds calling and singing at dusk. In addition to the familiar two-note ascending and descending whistle, we also heard a different call — a kind of strangled shriek.
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 2.08 MB