kHz
作者
Blake Rodgers 该用户提供的媒体文件 档案
日期
地点
Church Rd Aniwa
Marathon, Wisconsin, United States
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观察细节
Flock flew into the trees above me (white spruce) and then flew away to the north. Also black spruce in the immediate area. First part of recording has the calls as they were perched in the trees, at about 1:10 the flight calls begin. Estimated count. Flight call shows characteristic 'n' shape of type 3. Type 4 also present. Types determined by Ryan Brady.
技术信息
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- 原始文件大小
- 7.54 MB