ML154820671
- 年龄
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- 性别
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观察细节
Silent. Prob just “flicking” down vs. “pumping” tail? Nolan got photos. We’re all leaning towards Dusky vs. Gray but need to see photos better, along with annual empid study now spring [ http://publications.aba.org/birding_archive_files/v41n2p30.pdf
技术信息
- 原始文件大小
- 766.23 KB