ML523094001
- 年齡
- 未確定
- 性別
- 未確定
- 回播
- 未確定
觀察細節
Large flocks on the surface and passing by, estimated by 25s, 50s, and 100s when there were dense concentrations of fast flying birds. Most of the geese flying past in the morning were white-fronts.
技術資訊
- 錄音機
- 麥克風
- 配件
- 原始檔案大小
- 393.58 KB