Monarch Fall Roost
Sightings report image

Date: 09/09/2021

Number: 300

6-7 p.m. Nectaring on Prairie flowers then roosting on west side of tree. Hundreds, unable to count. I have many more pictures

[Report moved from Monarch PEAK Migration to Monarch Fall Roost; additional information contributed by observer, added by Journey North, 09/10/21]:

We only arrived in the area on 9/9/21, so we don't know when they first appeared, though we've heard that others have been seeing them along Lake Michigan in Manitowoc for a couple weeks. The community has been active in planting for butterflies, particularly the people at Woodland Dunes (nature preserve) in Two Rivers. They were there again tonight (9/10/21) nectaring in the goldenrod and roosting in the tree, (9/10/21), but only 40 or so. We didn't actually try to count, but looking at the pictures we took, we figured around 100 in 4 or 5 sections of the tree. They were on the inland side of the [spruce] tree shielded from the lake winds.

Two Rivers, WI

Latitude: 44.1 Longitude: -87.6

Observed by: Anita
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