- 性別與年齡
- 年齡性別未知 - 10000
- 聲音
- 叫聲
- 回播
- 未確定
影音備註
10,000-15,000 birds were massed together in a large black carpet in the center of the lake for the night. BNA: Though probably identified correctly, these birds are too far away to recognize the specific call-types given. (CAM - 4 March 2005). Other Behaviors: Establish Flock Contact. Habitat: Lake.
其他鳥種
- American Alligator Alligator mississippiensis
- Fulvous Whistling-Duck Dendrocygna bicolor
技術資訊
- 錄音機
- NAGRA III
- 麥克風
- Sennheiser MKH 104
- 配件
檔案資訊
- 已數化的
- 24 Oct 2000 - Martha Fischer