报告

作者

Jacob Henry | Rockrunner & Co 该用户提供的媒体文件 档案

日期

eBird记录 S272779818

地点

地图
地图 坐标: -22.5748648, 17.1304321
年龄
未说明
性别
未说明
发声
飞行鸣叫
回放
未说明

媒体文件注释

Four individuals observed flying in a loop around the dam. At first, I was confused about the whistling, but soon remembered the WBDUs. Their high-pitched whistles can be heard on this recording starting at 2.5 seconds.

技术信息

录音机
话筒
附件
原始文件大小
1.49 MB