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Monarch Fall Roost
Sightings report image

Date: 08/20/2025

Number: 300

Our migration here in the U.P. of Michigan, has officially begun!

We tested 170 monarchs for the O.E. Parasite..only 13 were positive ?

We tagged 157

We watched many leave over the lake to Door Co. Wisconsin, and also watched more stream in from the North during the early afternoon

We had counted about 250, at morning count. Many left, and by evening roost we had another 200+

We usually have about 5-6 groups come through from now to the 3rd week of September! ?

Escanaba, MI

Latitude: 45.7 Longitude: -87

Observed by: Opal
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