Observer Editor
“Night of the Amphibians”: Waterloo Natural History Association
Naturalist Carol Strahler discusses & displays frogs, frog calls, salamanders, and quivering masses of eggs from local ponds. Followed by a walk to a nearby pond to see and hear frogs singing. Bring a flashlight and dress for the weather. 8–9:30 p.m., Eddy Discovery Center, 17030 Bush Rd., Chelsea. $2 (families, $5). Space limited; preregistration required by calling 475–3170. $12 ($17 at the gate) recreation passport required.