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报告

作者

日期

eBird记录 S215300991

地点

The White House
District of Columbia, District of Columbia, United States
该地点产生的媒体文件 配图名录
地图
地图 坐标: 38.8975294, -77.0364976
年龄
未说明
性别
未说明

观察细节

Spectacular! Best estimate based on experience with counting large rafts of aythya ducks back home - total # updated based on reaching a count of ~13 000 birds from a single photo (counting in blocks of 100), which did not include all birds present. All down to roost by 6:25.

技术信息

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附件
原始文件大小
99.69 MB