Date: 08/29/2011

Number: 700

Here's a video of various clusters totalling 700 butterflies (300 of which are not shown in the video because they were frightened out of nearby trees) in clumps of trees near the eastern end of E Ash Ave. in Bird Island, Minnesota the evening of Aug. 29, 2011:

Bird Island, MN

Latitude: 44.7 Longitude: -94.8

Observed by: Paul
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