kHz
- 年齡
- 未確定
- 性別
- 未確定
- 聲音
- 歌聲
- 回播
- 未確定
影音備註
NOTES: DIFFERENT BIRD FROM LNS 15022 (ABOUT 90M APART). BNA: Song is heard. CZ 28/05/2004. [Seventeen examples of a song-type not pictured in BNA account (most like type 1a [Figure 2A], but with a trill at the end)), but similar to songs highlighted in LNS #50272 and 50281 (both recorded at J. Clark Salyer NWR, Upham, North Dakota). Quality changed from 2-1 to 1-2 - CAM - 15 March 2005]. Habitat: Grassland.
其他鳥種
技術資訊
- 錄音機
- NAGRA III-B
- 麥克風
- AKG 200
- 配件
- Parabola 91.4cm (36in)
檔案資訊
- 已數化的
- 12 Jul 2001 - Martha Fischer