Date: 09/06/2025

Number: 10

10 monarchs in a cluster on a branch of a common hackberry (Celtis occidentalis), 11 meters above ground on east/southeast side of the tree. Branch is above small parking area enclosed by trees and protected from the wind.

64 degrees F (17.78 C). Sunny. Winds 8 mph with gusts up to 16 mph from the west. RH 51%, Dew Point 45. Sunset scheduled for 1916 hours.

Near River Road Seed Beds at Midewin National Tallgrass Prairie (U.S. Forest Service).

Wilmington, IL

Latitude: 41.3 Longitude: -88.2

Observed by: Mike
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