| Title | Date | Time | Host | Location |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/1/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| Birds & More Naturalist-Led Walk @ Succop Nature Park | 4/2/2026 | 9:00 AM | Audubon Society | Butler |
| Birds & More Naturalist-Led Walk @ Todd Nature Reserve | 4/3/2026 | 9:00 AM | Audubon Society | Sarver |
| Virtual: Natures Symphony | 4/3/2026 | 11:00 AM | DCNR | Online |
| Virtual: Birds of Presque Isle | 4/3/2026 | 1:00 PM | DCNR | Online |
| Roadside Clean Up | 4/3/2026 | 2:00 PM | Mountain Watershed Assocation | Melcroft |
| Fireside Chat: Wild Rabbits and their Famous Cohorts | 4/3/2026 | 7:00 PM | DCNR | Pymatuning |
| Barred Owls and Old-Growth Forests | 4/3/2026 | 7:30 PM | DCNR | Clarion |
| Volunteer Trail Day | 4/4/2026 | 9:00 AM | DCNR | Ohiopyle |
| Spring into Phenology & Tree ID | 4/4/2026 | 10:00 AM | Audubon Society | Fox Chapel |
| Spring into Phenology & Tree ID | 4/4/2026 | 10:00 AM | Audubon Society | Sarver |
| Spring into Phenology & Tree ID | 4/4/2026 | 10:00 AM | Audubon Society | Butler |
| Vernal Pool Probe | 4/4/2026 | 1:00 PM | DCNR | Sandy Lake |
| Amphibian Investigation | 4/4/2026 | 1:00 PM | DCNR | Sigel |
| Watershed Education Teacher Workshop | 4/7/2026 | 8:00 AM | DCNR | Ohiopyle |
| Birds & More Naturalist-Led Walk @ Buffalo Creek Nature Park | 4/7/2026 | 9:00 AM | Audubon Society | Sarver |
| Fledglings: Preschool Program | 4/7/2026 | 10:00 AM | Audubon Society | Butler |
| April Showers Bring May Flowers Part 1 | 4/7/2026 | 6:30 PM | Brandywine Conservancy | Online |
| Watershed Education Teacher Workshop | 4/8/2026 | 8:00 AM | DCNR | Ohiopyle |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/8/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| Fledglings: Preschool Program | 4/8/2026 | 10:00 AM | Audubon Society | Sarver |
| Spring’s Early Bloomers Webinar | 4/8/2026 | 5:00 PM | Allegheny Landtrust | Online |
| Birds & More Naturalist-Led Walk @ Succop Nature Park | 4/9/2026 | 9:00 AM | Audubon Society | Butler |
| Fledglings: Preschool Program | 4/9/2026 | 10:00 AM | Audubon Society | Sarver |
| Birds & More Naturalist-Led Walk @ Todd Nature Reserve | 4/10/2026 | 9:00 AM | Audubon Society | Sarver |
| Intro to Grafting | 4/10/2026 | 4:00 PM | DCNR | Sandy Lake |
| Woodcock Walk | 4/10/2026 | 6:30 PM | DCNR | Sandy Lake |
| Garden Symposium and Marketplace | 4/11/2026 | 8:00 AM | PA Master Gardeners of Washington County | |
| Wings Over Wilhelm | 4/11/2026 | 8:00 AM | DCNR | Sandy Lake |
| Waterfall to Waterfall Hike | 4/11/2026 | 9:00 AM | DCNR | McConnells Mill |
| Learn to Geocache | 4/11/2026 | 11:00 AM | DCNR | Wind Ridge |
| Science in the Stream Day | 4/11/2026 | 12:00 PM | Carnegie Museum of Natural Science | Rector |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/12/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| Nature Journaling | 4/12/2026 | 1:00 PM | DCNR | Hookstown |
| Virtual: Fantastic Flora! Tour of Erie Bluffs State Park | 4/13/2026 | 7:00 PM | DCNR | Online |
| Birds & More Naturalist-Led Walk @ Buffalo Creek Nature Park | 4/14/2026 | 9:00 AM | Audubon Society | Sarver |
| Birds & Blooms Porch Leaner | 4/14/2026 | 6:00 PM | Butler Community College | Butler |
| April Showers Bring May Flowers Part 2 | 4/14/2026 | 6:30 PM | Brandywine Conservancy | Online |
| Meadow Ecology | 4/14/2026 | 7:00 PM | Audubon Society | Online |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/15/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| Take a Hike, Taxes! | 4/15/2026 | 6:00 PM | Allegheny Landtrust | New Kensington |
| Swimmable Waters Volunteer | 4/15/2026 | 6:00 PM | Mountain Watershed Assocation | Melcroft |
| The Secret Lives of Spring Wildflowers | 4/15/2026 | 7:00 PM | Audubon Society | Online |
| Woodcock Walk | 4/15/2026 | 7:00 PM | DCNR | Portersville |
| Birds & More Naturalist-Led Walk @ Succop Nature Park | 4/16/2026 | 9:00 AM | Audubon Society | Butler |
| What’s in a Name? Botanic Garden Nomenclature 101 | 4/16/2026 | 10:00 AM | US Botanic Garden | Online |
| Sustainability at Home: Preserving Edible Mushrooms 101 | 4/16/2026 | 6:00 PM | Allegheny Landtrust | Washington |
| Birds & More Naturalist-Led Walk @ Todd Nature Reserve | 4/17/2026 | 9:00 AM | Audubon Society | Sarver |
| 50+ Walking Series with AARP: Spring’s Early Wildflowers at Barking Slopes | 4/17/2026 | 10:00 AM | Allegheny Landtrust | New Kensington |
| Beavers in Pennsylvania: A Species Revival | 4/17/2026 | 12:15 PM | State Museum of PA | Online |
| Butler Birders Club | 4/17/2026 | 5:00 PM | Audubon Society | Butler |
| Woodcock Walk | 4/17/2026 | 7:00 PM | DCNR | Portersville |
| Gorge 5K | 4/18/2026 | 7:00 AM | Mountain Watershed Assocation | Mill Run |
| Take Back the Woods: Battling Invasive Species | 4/18/2026 | 9:00 AM | DCNR | Slippery Rock |
| Youghopoly: Spring Wildflower Hike | 4/18/2026 | 9:30 AM | DCNR | Ohiopyle |
| Safari Splash: Getting Little Feet WET Educator Workshop | 4/18/2026 | 10:00 AM | Allegheny Landtrust | Pittsburgh |
| American Goldfinch Watercolor Workshop with Jes Reger Davis | 4/18/2026 | 10:00 AM | Audubon Society | Sarver |
| Ruby-Throated Hummingbird Watercolor Workshop w/ Jes Reger Davis | 4/18/2026 | 1:30 PM | Audubon Society | Sarver |
| Morel Mushroom Hike | 4/18/2026 | 2:00 PM | DCNR | Wind Ridge |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/19/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| How You Can Help Save the Monarch Butterly | 4/20/2026 | 6:00 PM | Westmoreland Community College | Latrobe |
| Birds & More Naturalist-Led Walk @ Buffalo Creek Nature Park | 4/21/2026 | 9:00 AM | Audubon Society | Sarver |
| Introduction to Birding in Southwest Pennsylvania | 4/21/2026 | 5:00 PM | Westmoreland Community College | Youngwood |
| An Abundance of Beauty: Floral Arranging with Native Plants of the Region | 4/21/2026 | 6:30 PM | Brandywine Conservancy | Online |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/22/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| Litter Pick up on Monroe Road | 4/22/2026 | 10:00 AM | Audubon Society | Sarver |
| Swimmable Waters Volunteer | 4/22/2026 | 12:00 PM | Mountain Watershed Assocation | Melcroft |
| Birding Expert Series: Spring Warbler Ecology & ID | 4/23/2026 | 8:00 AM | Audubon Society | |
| Birds & More Naturalist-Led Walk @ Succop Nature Park | 4/23/2026 | 9:00 AM | Audubon Society | Butler |
| Birding Expert Series: Spring Warbler Ecology & ID | 4/23/2026 | 6:30 PM | Audubon Society | Online |
| Birding Expert Series: Spring Warbler Ecology & ID | 4/23/2026 | 6:30 PM | Audubon Society | Online |
| Birds & More Naturalist-Led Walk @ Todd Nature Reserve | 4/24/2026 | 9:00 AM | Audubon Society | Sarver |
| Birding Trail Guide Series: Roaring Run Trail | 4/25/2026 | 8:00 AM | Audubon Society | Apollo |
| Geocaching | 4/25/0206 | 10:00 AM | Audubon Society | Butler |
| Earth Day Park Cleanup | 4/25/2026 | 10:00 AM | DCNR | Sandy Lake |
| Arbor Day Activities | 4/25/2026 | 12:00 PM | DCNR | Wind Ridge |
| Make-your-Own: Spring Cleaning Products | 4/25/2026 | 8:30 PM | Audubon Society | Butler |
| Birding at the Wildflower Reserve | 4/26/2026 | 8:30 AM | DCNR | Hookstown |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/26/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| Spring Bird Walk | 4/28/2026 | 8:00 AM | DCNR | Portersville |
| Birds & More Naturalist-Led Walk @ Buffalo Creek Nature Park | 4/28/2026 | 9:00 AM | Audubon Society | Sarver |
| Birds & More Naturalist-Led Walk @ Beechwood Farms Nature Reserve | 4/29/2026 | 9:00 AM | Audubon Society | Fox Chapel |
| AARP: Utilizing Native Plants in Your Landscape | 4/29/2026 | 10:00 AM | Allegheny Landtrust | Sewickley |
| CCC Site Visit | 4/29/2026 | 1:00 PM | DCNR | Pymatuning |
| Wildflower Walk on Walker Run | 4/29/2026 | 5:30 PM | DCNR | Sandy Lake |
| Oaks and Insect Interactions | 4/29/2026 | 7:00 PM | Audubon Society | Online |
| Birds & More Naturalist-Led Walk @ Succop Nature Park | 4/30/2026 | 9:00 AM | Audubon Society | Butler |
| Virtual: Natural Wonders of Presque Isle | 4/30/2026 | 10:00 AM | DCNR | Online |
| Sustainability at Home: Choosing Native Plants for Your Space | 4/30/2026 | 6:00 PM | Allegheny Landtrust | Washington |
| Air Quality Walk with GASP | 4/30/2026 | 6:00 PM | Allegheny Landtrust | Pittsburgh |
