Today: 1 p.m., Return of the ospreys, all ages.May 28: 11 a.m., Song of Hope, a look at bluebirds, all ages.June 2: 9 a.m., Fishing clinic. All ages. Pre-register by Wednesday by calling (724) 253-4833. Meet at the Marina pavilion.June 7: Nature hike, all ages.June 10: 9 a.m. and 1 p.m., Natural nasties, a look at hazards in the wild. All ages. Meet at Falling Run Trailhead.June 15: 7 p.m., Wild About Wetlands, all ages.June 16: 1 p.m., Snakes alive, all ages. Meet at the Marina pavilion.June 20: Pa. Natural symbols hike, ages 9-13. Meet at Falling Run Trailhead.June 21: Beautiful bugs, ages 6-8.June 27: What Will Acid Rain Do to My Bean Sprouts? ages 9-13. Meet at the park office.June 28: Leaf print T-shirts, ages 9-13. Bring a 100 percent cotton T-shirt that has been washed without fabric softener.June 30: 7 p.m., The bald eagle, all ages.July 5: Seed surprises, ages 9-13.July 11: Bluebirds -- Project Day, building nesting boxes, ages 9-13. Pre-registration required by calling (724) 253-4833.July 12: Bat basics, ages 9-13.July 18: Environmental pioneers, ages 9-13.July 19: Frogs and toads, ages 9-13.July 25: Boating and water safety awareness, ages 9-13.July 26: Busy honey bees, ages 4-5.Aug. 1: It All Starts With A, a look a agriculture, ages. 9-13.Aug. 2: Amazing ants, ages 4 -5.Aug. 9: Pond life, ages 4-5.Aug. 15: Water wise and awards, ages 9-13.Aug. 16: Amazing mammals, ages 4-5.