ML414043821
作者
Lorin Wilkerson 该用户提供的媒体文件 档案
日期
地点
Jennings Heights
Clackamas, Oregon, United States
该地点产生的媒体文件 配图名录- 年龄和性别
- 年龄性别未知 - 20
- 行为
- 飞行
- 发声
- 飞行鸣叫
- 回放
- 未使用回放
媒体文件注释
The background noise is unfortunate, but these birds were flying low and you can hear both a volume and a Doppler effect pitch shift in their voices as they pass overhead. Count is estimated.
观察细节
The bird count in the recording is estimated at 20; the birds flew over in several waves.
额外物种
技术信息
- 录音机
- 话筒
- 附件
- 原始文件大小
- 2.11 MB