ML647680515
- 年齡
- 未確定
- 性別
- 未確定
- 回播
- 未確定
觀察細節
Known overwintering area in spring fed marsh. From stationary perspective, heard from compass headings 256, 313 and 320 (both simultaneously), 338, and 280 degrees. Rails responded with grunt outbursts following broadcast calls.
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 724 KB