kHz
ML505366911
作者
L. Burkett 该用户提供的媒体文件 档案
日期
地点
Pescadero Marsh and Natural Preserve--(east of Hwy 1 only)
San Mateo, California, United States
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观察细节
Conservative estimate. Possibly 6 or 7 (it's hard to keep them in view simultaneously). At sunset (16:57), the egrets move from the marsh to eucalyptus overhanging Pescadero Creek, with some occasional squabbles over a roost. After the egrets are settled, many black-crowned night herons circle over the marsh and Pescadero Creek. Peak time was 17:25 - 17:35. Outline and dark/light pattern is clearly visible. I got many good recordings through Merlin. Some are attached.
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