ML244261651
- 性別與年齡
- 雌未成鳥 - 1
影音備註
First year female aged by the very worn retained juvenile wing coverts, some of which still have dark centres. This bird hatched a year ago.
觀察細節
First year female and adult male. The first year female is aged by the very worn retained juvenile wing coverts, some still with dark centres. The first year female was close and successfully caught several fish during the time we watched. The adult male was farther out.
技術資訊
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- 原始檔案大小
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