kHz
作者
Matt Cahill 该用户提供的媒体文件 档案
日期
地点
Mt. Rushmore National Memorial
Pennington, South Dakota, United States
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观察细节
(Rare & Unreported Dot) eBird ISSF details: Recording. Calling around the Visitor Center clearly - liquid down-slurred "keer" notes. Made a recording that has lots of background from people talking, etc., but notes still show up on the spectrograph and have the higher pitch and more directly descending pattern of Type 1 birds, I think. (Visible on the recording at 4, 6, 9, and 13 seconds).
技术信息
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- 附件
- 原始文件大小
- 2.52 MB