kHz
- 年齡
- 未確定
- 性別
- 未確定
- 行為
- 求偶、展示或交尾; 飛行中
- 聲音
- 歌聲
- 回播
- 未使用回播
影音備註
NOTES: (Age/Sex: 1-3 adult males, unknown sex; Breeding Status: Territorial, Breeding; Strata: song perch; Cover Den: open) Visual display is described on tape. Bird started to sing from little rock on ground, flew up higher and higher, in song flight, in large circles of a few 100meters diameter. Was joined by two other singing individuals, rising very high in the sky, out of sight, quite suddenly. Other Behaviors: Advertise, Court, Perform Visual Display. Habitat: Rural, Active Agricultural, Field.
技術資訊
- 錄音機
- NAGRA E
- 麥克風
- Sennheiser ME 20
- 配件
- Dan Gibson Parabola 45.7cm/11cm (18in/4.3in)
檔案資訊
- 已登錄的
- 24 Apr 2001 - Marilyn Moskal
- 已數化的
- 21 Dec 2011 - Jay McGowan