Succop Nature Park, 185 W. Airport Road, Penn Township, hosts free birding and nature hikes with a naturalist at 9 a.m. Thursdays. Trails are open from dawn to dusk. Call 412-963-6100 or visit www.aswp.org.

Jennings Environmental Education Center, Route 528, Brady Township, will be the site of “Step into Snowshoes” from 9 a.m. to 2 p.m. Saturday, with more dates planned through February. A valid driver’s license is required to borrow snowshoes. The center will be staffed on Saturdays whenever snow conditions are suitable, as well as during regular Monday to Friday business days and on Sundays when a public program is scheduled. Call 724-794-6011.