kHz
ML56021951
- 年齡
- 未確定
- 性別
- 未確定
- 回播
- 未確定
影音備註
numerous Tree Swallows flying over lake at the same time
觀察細節
group of six swimming around lake; approached within 50 m as they explored shoreline; closely observed with spotting scope (no hint of yellow on any bill, straight, massive culmen, black from bill encompassing the eye); making constant low calls (contact calls)
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 6.06 MB