Monarch Fall Roost

Date: 09/04/2021

Number: 200

Sighted Monarchs beginning to roost in my wooded back yard today.

[Additional information contributed by observer, added by Journey North, 09/16/21]:

I saw the Monarchs roosting in the trees near the neighbors large garden when I was mowing grass. I didn't notice them at first but when I went close to the trees many of the Monarchs took flight (maybe 50 or so) I'd estimate about 100 or likely more than that stayed roosting. I didn't get a good look because I was mowing past that area on my lawn tractor and I kept moving so as not to scare them away. I think they only stayed one day however I couldn't say that they were not there the day prior. Calm winds and overnight temps in the high fifties.(as best I recall). They were in an area well shielded from any wind. Sorry, no pictures! The Monarchs roost in that group of trees every year. Past years there has been many times that number of Monarchs. In the past they seemed to stay about three days or so. This years migration was much smaller in terms of numbers.

Olivia, MN

Latitude: 44.8 Longitude: -95

Observed by: Ron
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