ML616164854
- 年齡
- 未確定
- 性別
- 未確定
- 回播
- 未確定
觀察細節
Estimate. Numerous birds heard peenting and performing whirring wing display flying in lower fields. Also heard various other calls. Silent females would be undetectable so possible count could be doubled.
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 2.95 MB