Monarch PEAK Migration

Date: 09/13/2020

Number: 200

Constant wave of butterflies heading Southwest. Wave has been steady for a least an hour

Observed between 8am to 10am+ I would like to add to the numbers as I would estimate a little higher maybe 200+.

Our home and rooftop deck is three stories high and most were at that level and above but when we left the house we noticed many at 10-15ft as well.

Winds were from the NE probably 10-15mph

We have a very bee and butterfly friendly rooftop garden but not many nectaring. Most were resting in a tree near us.

Chicago, IL

Latitude: 41.9 Longitude: -87.7

Observed by: Tony
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