Outdoor Discovery Program will feature Kayaking with Wind and Water Boat Works at 7 p.m. tonight at the pool at Alameda Park. Wear swimming attire. Earl Shriver and his birds of prey are scheduled for the July 24 program. Admission is free. Call 724-284-5383.

Jennings Environmental Education Center, Route 528 near the intersection of Routes 8 and 173, will host 90-minute walks to discuss the prairie blooms at 2 p.m. July 27 and Aug. 3. "Wildflowers of Summer" will take place at 2 p.m. Aug. 17. Healthy Hikes are planned from 6 to 7:30 p.m. Aug. 6, Sept. 3 and Oct. 1. Jennings is open from 8 a.m. to 4 p.m. weekdays and on weekends as scheduled. The trails are open daily from sunrise to sunset. Call 724-794-6011 to confirm programs.

McConnells Mill State Park, Slippery Rock Township, just over the Butler County line into Lawrence County, will host "Wings of the Night" about bats at 8:30 p.m. Saturday. Meet at Hell's Hollow trail. "Edible Plants" is planned at 3 p.m. Sunday. The Old Mill has tours of the grist mill at 1 and 2 p.m. Fridays, 1 and 3 p.m. Saturdays, and 2 and 4 p.m. Sundays. A new turbine has been installed in the mill, and corn grinding will be demonstrated from 11 a.m. to 3:30 p.m. Fridays and 11 a.m. to 5:30 p.m. Saturdays, from Memorial Day through Labor Day. Admission and parking are free. Call 724-368-9320.

Moraine State Park will be the site of "Discover Lake Arthur" at 9 a.m. July 27. Family Fishing will take place Aug. 2 and 3, Sept. 6 and 7 and Oct. 4 and 5. Call 724-368-8811.

<B>McKeever Environmental Learning Center</B>, Sandy Lake, will be the site of "Fascinating Fireflies" from 7:45 to 10 p.m. Friday. Wear weather-appropriate clothing and meet in front of the auditorium. The program is free. Call 724-376-1000.