Date: 06/21/2020

Number: 36

We have a whole field of milkweed. We found 36 caterpillars in 15 minutes. There are many more. In the past we harvested and raised them in jars. We have stopped doing that since there is some evidence that it affects migration, so we're leaving nature to run its course this year.

Pine City, MN

Latitude: 45.8 Longitude: -93

Observed by: Michael
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