All Day

Nature Forward’s 44th Birdathon

(MD) (Nature Forward) Nature Forwards's 44th Birdathon is a celebration of nature that encourages people to enjoy nature's wonder while also helping fund their important conservation advocacy, environmental education, and nature restoration work. There are a few ways to get involved: Join a team, make a donation or be a corporate sponsor. Running April 15th through May 31st.

Mussel May

(DC) (MD) (Anacostia Watershed Society) The Anacostia River's freshwater mussels are thriving thanks to the efforts of the Anacostia Watershed Society and our supporters and volunteers, and it's time to celebrate! All through the month of May 2024, Anacostia Watershed Society will be holding events to share the magic of mussels with watershed residents.  Our calendar is chock full of ...

Survey: Dyke Marsh Butterfly and Dragonfly Survey

Dyke Marsh Wildlife Preserve Alexandria

(VA) (Audubon Society of Northern VA) Butterfly and dragonfly surveys are carried out in temperate months (April-October), normally on Friday mornings, at one of four sites around Occoquan Bay, all within the 15-mile diameter circle established for the annual North American Butterfly Association's Annual Count. The results of these surveys are made available to the participants and other interested individuals ...

Free

Afternoon Bird Walk: Occoquan Bay National Wildlife Refuge

Occoquan Bay National Wildlife Refuge 14050 Dawson Beach Rd, Woodbridge

(VA) (Audubon Society of Northern VA) This program is part of our Stretch Our Parks initiative, in partnership with the staff of Occoquan Bay NWR. Join us for a family-friendly afternoon bird walk on the trails of the Occoquan Bay National Wildlife Refuge. Your birding guide is Andreas Seiter, an experienced local birder, member of the Board of Directors of ...

Free
Capital Nature