Date: 09/06/2025

Number: 3

1928 Hours
3 monarchs on the branch of a common hackberry (Celtis occidentalis), 6 meters above ground on east side of the tree.

59 degrees F (15 C). Sun has set on horizon and getting dark. Winds 6 mph with gusts up to 13 mph from the west. RH 59%, Dew Point 45.

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
Contact Observer

The observer's e-mail address will not be disclosed.
Contact will be made through a web-based form.