Date: 09/02/2025

Number: 7

1920 Hours

Total = 7

7 monarchs clustered on branch on the south side of common hackberry (Celtis occidentalis), 5 meters above ground level.

72 degrees Fahrenheit (22.22 C). RH 59%. No wind.

Adjacent to Henslow Trail, near Iron Bridge Trailhead, Iron Bridge Prairie Restoration, Midewin National Tallgrass Prairie (U.S. Forest Service).

Wilmington, IL

Latitude: 41.4 Longitude: -88.1

Observed by: Mike
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