ML615163622
作者
Alex Colucci 该用户提供的媒体文件 档案
日期
地点
West Branch SP—Kirwan Dam and Visitor Center
Portage, Ohio, United States
该地点产生的媒体文件 配图名录- 年龄和性别
- 成年雄鸟 - 24
- 行为
- 求偶、炫耀或交配
- 发声
- 鸣叫; 非声音
- 回放
- 未使用回放
媒体文件注释
Call notes throughout, which appear to be consistent with COGO courtship displays--light "peent" calls. The raft was made up entirely of COGO; they were quite active and appeared to be moving their heads often. Very little diving observed. At the beginning of the recording, there are some non-vocal wingbeats from several individuals taking flight.
观察细节
Male and female courtship displays: head movement seen from both and light "peent" calls heard from males.
技术信息
- 录音机
- 话筒
- 附件
- 原始文件大小
- 10.77 MB