Date: 09/01/2025

Number: 15

1919 Hours

11 monarchs observed 4 meters above ground on south side of an Osage Orange (Maclura pomifera) tree. 4 others were observed on a higher branch.
Total = 15

70 degrees Fahrenheit (21.11 C). Slight wind from Northeast at 6 mph. RH 59%. Sunset scheduled for 1924 hours. Starting to get dark.

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

Elwood, IL

Latitude: 41.4 Longitude: -88.1

Observed by: Mike
Contact Observer

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