kHz
作者
William W. H. Gunn 该用户提供的媒体文件
日期
地点
Churchill; Road To Twin Lakes
Manitoba, Canada
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NOTES: Several birds, probably one pair in particular roadside pond. Background sounds: wind, reflector, voices, l. longspurs, wood frogs. Magnecord 40" R. Recorded in morning. #58259. [This recording appears to contain mostly "wedY wedY wedY" chatters, but also several sets of loud "pip" or "twick" calls (0:14-0:16 0:21, 1:31-1:35). A two-parted call at 0:27-0:28 appears to have been given by this species, but it does not seem match anything described in the BNA account (possibly either the drawn-out "whip" alarm call or the "sweep" call, but unlike the spectrogram of the latter published in Figure 4A of the account due to the presence of multiple harmonics). Quality added (2-1, 2-3) - CAM - 8 December 2004].
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存档信息
- 已编目
- 11 Aug 1999 -
- 已数字化
- 19 Sep 2000 - Lauren A. Serafin