ML572886891
- 性別與年齡
- 雄未成鳥 - 1
- 行為
- 飛行中; 換羽中
影音備註
Blue Grosbeak in active flight.
觀察細節
Male, 1st plumage cycle –> first prealternate molt. Bird in active flight free-flying off the tip at Point Pelee flying out over ‘Lake Erie’. Active migration. Morning flight. Visible migration. Identified by flight style and morphology as well as cinnamon brown wingbars. Sex and age determined by the following: Overall brown colouration darkest on fore of head; Visible black surrounding base of bill; Dark/black splotches on undertail, and; Incoming blue colouration on rump and uppertail. Photos. Dozens of observers present.
技術資訊
- 型號
- NIKON D810
- ISO
- 1800
- 焦距
- 300 mm
- 閃光
- Flash did not fire
- 光圈值
- f/8.0
- 快門
- 1/3200 sec
- 次方
- 943 pixels x 629 pixels
- 原始檔案大小
- 72.65 KB