Succop Nature Park, 185 W. Airport Road, Penn Township, will host “Birds and More” nature walks at 9 a.m. Thursdays. A night hike for adults is scheduled at 8:30 p.m. Saturday. Call 412-963-6100 or visit www.aswp.org.

Buffalo Creek Nature Center, 154 Monroe Road, Buffalo Township, is scheduled to have a night hike for adults at 8:30 p.m. Saturday. Call 412-963-6100 or visit www.aswp.org.

Jennings Environmental Education Center, Route 528, Brady Township, will have a wildflower walk at 2 p.m. Sunday. No registration is needed. Family Science Night will begin at 6 p.m. May 22, with the subject, Green Genes: Exploring Heredity, Traits, and DNA in Nature (free but registration required by calling 724-794-6011 by May 20).

Moraine State Park will host a wildflower evening hike at 6:30 p.m. Thursday from the McDanel's Launch on the North Shore. A Muddy Creek oil well volunteer training day is scheduled for 10 a.m. to 1 p.m. May 18 at the State Parks Region 2 office, 195 Park Road.

McConnells Mill State Park, Slippery Rock Township, Lawrence County off Route 422, will host a gristmill greeter volunteer training day starting at 9 a.m. May 18. Call 724-368-8811.