Sunday, May 5.   1-3 p.m.   Thorn Creek Nature Center.   Free! Ages 12 – adult, children under 15 must be accompanied by an adult.   Registration required by April 29.   708.747.6320.

Workdays are an excellent way to give back to Thorn Creek Woods Nature Preserve! Help repair boardwalks and the bridge, clear undergrowth from the paths and boardwalks, plus open channels on the water diversion steps. Or weed and nurture our Prairie Sampler and Butterfly Garden. Bring your own gloves, hand clippers, and kneelers if you like.  Dress for the weather and wear sturdy shoes or boots. Refreshments will be provided. Outdoor work is on natural surface across uneven terrain.