Monarch Fall Roost
Sightings report image

Date: 09/26/2023

Number: 312

Sunrise count. Following day of heavy nectaring in planted prairie adjacent to windbreak evergreen and deciduous trees.
Visited a 40 acre private preserve just west of Mason City yesterday and observed hundreds of Monarchs nectaring on tall goldenrod and thistle.

Photo: Yesterday, September 25, Monarchs clustering on drooping branch of Hackberry tree in evergreen windbreak, at sunset.

Mason City, IL

Latitude: 40.2 Longitude: -89.6

Observed by: Louis
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