Date: 09/22/2021

Number: 400

Clumps of monarchs in multiple groups ca. 15-20' up in a green ash tree. This is the largest roost I have had all season. Typical roosts have been 5-30 for the last two weeks.


[Data Verifier Note: contacted observer for more information about this sighting]

Thomasboro, IL

Latitude: 40.2 Longitude: -88.2

Observed by: Joseph
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