Common Grackle - Douglas Stadler
报告

作者

日期

eBird记录 S154571016

地点

N5600–N5668 St Helena Rd, Juneau US-WI 43.39526, -88.65305
Dodge, Wisconsin, United States
该地点产生的媒体文件 配图名录
地图
地图 坐标: 43.395258, -88.65305
年龄
未说明
性别
未说明
行为
飞行

媒体文件注释

Flock flying overhead.

观察细节

The hard to count numbers and overall sound of wings when a large part (yet only a part!) of the group shifted led to this estimate. I have encountered and counted flocks of blackbirds returning to a marsh roost in spring and this was a comparable group.

技术信息

型号
iPhone 12 mini
镜头
iPhone 12 mini back dual wide camera 4.2mm f/1.6
ISO
32
焦距
4.2 mm
闪光
Flash did not fire
光圈
f/1.6
快门速度
1/4292 sec
尺寸
4032 pixels x 3024 pixels
原始文件大小
4.66 MB