Calling all grandparents and grandkids! Join us for a fun day learning about butterflies and moths. How are they different? How are they alike? What butterflies are in your backyard? We will be answering all of these questions and more. Plan on a short hike and a make and take craft. All ages are welcome. Cost is $7/person. Preregistration with payment required by calling 248-858-0916 weekdays for 248-585-0100 during nature center hours.