kHz
- 性別與年齡
- 雌成鳥 - 1; 雄成鳥 - 1
- 聲音
- 叫聲
- 回播
- 未確定
影音備註
Male (?) flew from tall black spruce at roadside in quite mature spruce stand, called in flight, was joined by female who I think gave the 4 short sharp calls; she retired. Male continued circling and calling. Other Behaviors: Fight.
其他鳥種
技術資訊
- 錄音機
- 麥克風
- 配件
檔案資訊
- 已登錄的
- 31 Aug 1999 - Martha Fischer
- 已數化的
- 3 Aug 2000 - Lauren A. Serafin