- 性別與年齡
- 幼鳥，性別未知 - 1
- 行為
- 飛行中
影音備註
An immature. More like an intermediate morph, but could be an intermediate and dark morph hybrid. Source: https://www.aba.org/birding_archive_files/v36n5p500.pdf
觀察細節
An immature. More like an intermediate morph, but could be an intermediate and dark morph hybrid. Source: https://www.aba.org/birding_archive_files/v36n5p500.pdf
技術資訊
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