Monarch PEAK Migration
Sightings report image

Date: 09/30/2021

Number: 300

The monarchs were flying south along the shoreline at Grand Mere State Park. We were counting about 100 every 15 minutes, not eating just flying along the beach and dunes.

[Additional information contributed by observer, added by Journey North, 10/01/21]:

We had hiked down to the beach at Grand Mere State Park. We did not see any monarchs until we got down to the beach. Then we started noticing them and started counting. We were standing on the beach facing north and they were coming one or two at a time, definitely all heading the same way to the south. They seemed to be using the shoreline of the lake as a guide. We counted for about 45 minutes. We were counting about 100 every 15 minutes. This was between 5 and 6 PM eastern time.

They were not stopping to nectar, a few stopped briefly on the sand but the rest were flying past us at a good speed. Some were just above the lowest dune on the beach, some were at our eye level and others were over the water at a higher level but still easily visible.
The weather was warm, mid 70’s, sunny, wind was light, I think from the east or southeast.

Stevensville, MI

Latitude: 42 Longitude: -86.5

Observed by: Kathleen
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