作者
Drew Meyer 该用户提供的媒体文件 档案
日期
地点
Sun Pass State Forest
Klamath, Oregon, 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
- 回放
- 未说明
观察细节
Flyover group of about 12 birds, heard very well in the field but only this very poor brief audio recorded. Calls piercing, descending, loud. One simple, single note, harmonics converging towards end as note drops in pitch.
技术信息
- 录音机
- 话筒
- 附件
- 原始文件大小
- 387.64 KB