ML469600111
作者
日期
地点
- 年龄
- 未说明
- 性别
- 未说明
- 行为
- 喂食幼鸟; 飞行; 觅食或者进食; 发声中
- 发声
- 鸣叫; 鸣唱
- 标签
- 生境
媒体文件注释
First report of a Chimney Swift roost from St. Elizabeth's Roman Catholic Church. This is from the Wadsworth Avenue side showing the chimney on the south side of the church.
观察细节
• Swifts seen simultaneously east of Bennett Avenue - 13++. Two were flying just west of the church at 2045. • Discovery list for this roost location. The following was seen from a spot just east of the southern chimney on St. Elizabeth’s Church along Wadsworth Avenue. ❏ During the count, fourteen (14) swifts were observed entering the roost. First entry was during the 9th minute after sunset. The last one during the 26th minute after sunset. Sunset on July 23rd is at 8:20p (2020): • +10' after SS (1): 2029 • +20' after SS (10): 2031 (2), 2033, 2034 (2), 2038 (3), 2039 (2) • +30' after SS (3): 2040 (2), 2046 TOTAL = 14 with one exiting the chimney spotted on the video 🔍 The video shows one swift exiting the chimney visible at the 10 second mark. This was just before 8:27pm ~6 minutes after sunset.
技术信息
- 相机
- iPhone 11 Pro
- 话筒
- 附件
- 原始文件大小
- 72.8 MB