ML525139291

年龄

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性别

未说明

观察细节

Mixed with BWTE, counted by tens. JVD counted the largest duck flock by tens using a telescope and a hand clicker. This flock was mostly BWTE and NOSH. Entire flock was 8470, which we divided 60% BWTE and 40% NOSH. Final tally includes birds seen in other impoundments.

额外物种

• Blue-winged Teal Spatula discors
• Snowy Egret Egretta thula
• Black-necked Stilt Himantopus mexicanus
• American White Pelican Pelecanus erythrorhynchos
• Great Egret Ardea alba

技术信息

型号

Canon EOS 90D

镜头

EF100-400mm f/4.5-5.6L IS II USM

ISO

100

焦距

400 mm

闪光

Flash did not fire

光圈

f/9.0

快门速度

1/800 sec

尺寸

6960 pixels x 4640 pixels

原始文件大小

5.22 MB