Nature Notebook
- Eileen Carlson

- Sep 7, 2023
- 1 min read
Stand on the beaches along Lake Michigan and look up. You will be a witness to the natural phenomenon of the monarch butterfly migration. Summer’s last generation of monarch butterflies is larger and stronger than earlier hatching relatives. They must be able to fly 2,000 miles to central Mexico where they will enter diapause, a fancy word for insect hibernation.
