ML617748188
作者
Andrea Szymczak 该用户提供的媒体文件 档案
日期
地点
Maple Ave Pond, Mukwonago
Waukesha, Wisconsin, United States
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观察细节
Sound recording. Ongoing at location. I have visited the main wetland in this area on several occasions (without entering a checklist) and this species has been the more dominant one at this site for a while. The direct comparison with LEYL is always helpful when judging a Greater's overall taller height. Many of the Greater's tend to have more heavy barring on their sides and have thicker, longer bills (sometimes when the lighting was good I could see the bicolored aspect).
技术信息
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- 话筒
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- 原始文件大小
- 2.19 MB