kHz
- 年龄
- 未说明
- 性别
- 未说明
- 发声
- 鸣叫
- 回放
- 未说明
媒体文件注释
NOTES: 59071; "evening; First 4 min on magnecorder; a flock of 300+ plus 17 snows and 2 blues; identified by size, date and pitch of calls; a) calling on ground b) mass take-off (5.05); big reflector" (WWHG); probably subspecies hutchinsii. ML: Subject changed from Branta canadensis to B. h. hutchinsii to reflect current taxonomy. -Matt Medler, 28 Oct 2013. Other Behaviors: Depart.
额外物种
技术信息
- 录音机
- 话筒
- 附件
存档信息
- 已编目
- 23 Aug 1999 - Geert Dhondt
- 已数字化
- 9 Aug 2000 - Lauren A. Serafin