Forest Preserves of Cook County 2023 Fall Brochure

As the season slowly transitions into fall, the amazing monarch butterfly will soon start its 3,000- mile expedition to wintering grounds in Mexico. This complex migration began several generations back. The monarchs that spend winter in the mountains of Mexico start heading north towards Canada in early spring. This generation of butterflies typically just reaches the United States before mating and laying eggs on young milkweed plants before dying. The next generation will continue the journey north, following sprouting and blooming milkweed plants. It isn’t until the third generation of migrating monarchs that Cook County begins welcoming these fluttering travelers in June and July. Want to learn more about monarch butterflies and how to support their journey from Mexico to Canada and back? Attend the Migrating Monarchs Celebration at Thatcher Woods on September 9. Learn more: fpdcc.com/events Each fall, monarch butterflies travel thousands of miles—including through Cook County—as they head south for the winter Migrating Monarchs Make Amazing Journeys 22 As the season slowly transitions into fall, the amazing monarch butterfly will so n start its 3,0 - mile xpedition to wintering rounds in Mexico. This complex migration began sev ral generations back. The monarchs that spend winter in the mountains of Mexico start heading north towards Canada in early spring. This generation of butterflies typically just reaches the United Sta es before mating and laying eggs on young milkwe d plants before dying. The next generation will continue the journey north, foll wing sprouting and blo ming milkweed plants. It isn’t until the third generation of migrating monarchs that Co k County begins welcoming these fluttering travel rs in June and July. Want to learn more about monarch butterflies and how to sup ort their journey from Mexico to Canada and back? Attend the Migrating Monarchs Cel bration at Thatcher Wo ds on September 9. Learn more: f pdcc. om/ev nts Each fall, monarch butterflies travel thousands of miles—including through Co k County—as they head south for the winter Migr tin r ake A azing Journeys 2 As the season slowly transitions into fall, the amazing monarch butterfly will soon start its 3,000- mile expedition to wintering grounds in Mexico. This complex migration began several generations back. The monarchs that spend winter in the mountains of Mexico start heading north towards Canada in early spring. This generation of butterflies typically just reaches the United States before mating and laying eggs on young milkweed plants before dying. The next generation will continue the journey north, following sprouting and blooming milkweed plants. It isn’t until the third generation of migrating monarchs that Cook County begins welcoming these fluttering travelers in June and July. Want to learn more about monarch butterflies and how to support their journey from Mexico to Canada and back? Attend the Migrating Monarchs Celebration at Thatcher Woods on September 9. Learn more: fpdcc.com/events Each fall, monarch butterflies travel thousands of miles—including through Cook County—as they head south for the winter igrating Monarchs Make Amazing Journeys 22