I went to the Stroud Preserve in Chester County, Pennsylvania on April 15 from about 4:30 to 6:30. The weather was about 60 degrees and overcast. The day before it had been extremely raining and the rivers in the area had flooded considerably, closing several roads around the preserve. The flooding included the grass and brushy habitats around the small river in the preserve. When I went out the water had subsided from the fields except for a few standing pools.
About 75 swallows with about 80% being Barn Swallows and 20% being Tree Swallows
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