kHz
作者
logan kahle 该用户提供的媒体文件 档案
日期
地点
Parque Tangamanga
San Luis Potosí, San Luis Potosí, Mexico
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观察细节
Awesome!! Absolutely abundant here. Careful estimate. Huge area and i tried diligently to get an accurate count of these guys. Counted by 10s or, when truly roaring, 50s and added 50 to the count every time i reached that #. About evenly spread thru the region, though I didnt keep track of #s in each section. I believe this count is conservative, as I tried hard to avoid over- or double-counting I recorded a sample of a patch that was indicative of a somewhat high concentration. 30-40 or so birds are calling in this recording. This level of activity was present for miles on end. While there were stretches with fewer than this many birds calling there were also stretches with more
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- 115.81 KB