“Animal Tracks”: Waterloo Natural History Association.
Illustrated talk by naturalist Robert Ayotte on print patterns found in snow, common mammal signs, and scats. Followed (if there is snow on the ground) by a one-hour hike to look for tracks and other signs. Be prepared for icy trails. 2–3 p.m., Eddy Discovery Center, 17030 Bush Rd., Chelsea. $2 (families, $5). Preregistration required by calling 475–3170; space limited. $12 Michigan recreation passport ($17 at the gate) required.