(VA) (Friends of Dyke Marsh) Help us map Potomac River tides October 10 to 12 during the highest tides of the year, called “king tides.” Participants will use a mobile app that collects location-based data points along the water’s edge. Sponsors will hold a training before the mapping event. This data can help researchers develop models that simulate tidal dynamics ...
(VA) (Northern Virginia Bird Alliance) Join NVBA and our partners at Fairfax County Libraries for a bird walk at Frying Pan Farm Park. This event is free for everyone to join and we hope new birders will join us to view all the fantastic fall migrants! Participants will gather with the group leader outside the Frying Pan Park Visitor Center. ...
(DC) (Anacostia Watershed Society) Volunteers will join AWS for a wild freshwater mussel survey at Kenilworth Lake! We will be walking in mud that can be very mucky in waders (AWS can provide you with a pair if you don't have your own). If you're not comfortable walking in mud using waders, we recommend joining us at a different event. ...
(VA) (Northern Virginia Bird Alliance) If you would like to discover native birds, other fauna and flora — in the company of dedicated citizen scientists — then consider joining this outing! Many know Northern Virginia for its economic dynamism, cultural development and ever-changing landscape. Less well known are the places sheltering remnants of an earlier, vital, natural history: Occoquan Bay ...
(DC) (Hillwood Estate, Museum & Gardens) Explore the vibrant bird life here at Hillwood! Since 2023, a dedicated, volunteer-led group has documented 105 different bird species throughout the gardens and expect to find even more as they continue their research. Join a birding expert from the DC Bird Alliance as they guide you through the gardens, sharing information about the ...
(DC) (Rock Creek Conservancy) In partnership with the Izaak Walton League of America, volunteers are trained to measure salinity levels at various sites throughout the Rock Creek watershed. Samples will be taken once a month, and before and after snowfall or road salt applications. Using the data collected, we will get a better understanding of water quality and the effects ...
(VA) (Northern Virginia Bird Alliance) If you would like to discover native birds, other fauna and flora — in the company of dedicated citizen scientists — then consider joining this outing! Many know Northern Virginia for its economic dynamism, cultural development and ever-changing landscape. Less well known are the places sheltering remnants of an earlier, vital, natural history: Occoquan Bay ...
