COUNTYJennings Environmental Education Center, Route 528, Brady Township, will host the Great Backyard Bird Count from 9 a.m. to noon Feb. 14. The count is an annual event that encourages people to help gather data on bird populations. To register, visit events.dcnr.pa.gov or call 724-794-6011.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.

REGIONThe annual Winter Wonderland Walk hosted by the Crooked Creek Watershed Association will begin at 2 p.m. Sunday at the Crooked Creek Environmental Learning Center, 142 Kerr Road, near Ford City. Admission is free. Donations will be accepted. Call 724-763-6316.