- 年龄和性别
- 年龄未知雌鸟 - 11; 年龄未知雄鸟 - 13
- 行为
- 求偶、炫耀或交配
- 发声
- 鸣叫; 非声音
- 回放
- 未说明
媒体文件注释
Intimidation, aggression and courtship. Various hoots, "kaks" and wing fluttering. The accuracy of the recording date is unclear. Habitat: Knoll near the edge of a grass field. Other Behaviors: Lek, Court, Perform Visual Display. Habitat: Edge.
技术信息
- 录音机
- GRAMDECK GRAMDECK
- 话筒
- 附件
存档信息
- 已数字化
- 17 Oct 2000 - Martha Fischer