ML644972248
作者
Vera Miller 该用户提供的媒体文件
日期
地点
Lake Calumet area--Indian Ridge Marshes north & south of 122nd
Cook, Illinois, United States
该地点产生的媒体文件 配图名录- 年龄
- 未说明
- 性别
- 未说明
观察细节
Heard quiet clucking and then giving "wipeout" calls at multiple points. At point 9, a very territorial male was calling nearby before I started keeping time. He then swam up to within 20 meters when the broadcast calls were played and continued feeding and turning stalks with his toes.
技术信息
- 原始文件大小
- 3.31 MB