July-August 2025 Potomac Flier
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July-August 2025

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A Letter to Our Members

Common Eastern Firefly, Judy Gallagher

I have been admiring the fireflies in my backyard recently. I didn’t see them there for many years, but I’ve attracted them by making several simple changes.
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Dyke Marsh: A Fragile Treasure

A view of Dyke Marsh, Dixie Sommers

The Dyke Marsh Wildlife Preserve, in northern Mount Vernon along the Potomac River shoreline, is the "nearest thing to primeval wilderness" in the Washington area, wrote Louis J. Halle in 1947 when he biked from the city at dawn to watch the wetland awaken. 
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More News

Happy Bees, Happy Yard

Spring Beauty Bee, Judy Gallagher

Gardening to attract as many bees as possible is more than a rewarding pastime. It’s a blend of purpose, beauty and connection to something grand and greater than we are.  
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The Bobolink

Bobolink, Calvin Borgmann/Audubon Photography Awards

The Bobolink, Dolichonyx oryaivorus, also called the rice bird or rice bunting, is yet another migrating songbird that has declined in population over the last fifty years. 
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Monthly Features

A Closer Look: Nature All Around Us

Milkweed with several insects, Judy Gallagher


Judy Gallagher is an NVBA board member and a regular surveyor of local wildlife who also captures photos of what she sees, in particular the less common species. 
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Wildlife Sanctuary Almanac: Creating Habitat for Butterflies

Monarch Butterfly with Thistle, Judy Gallagher

Do you want more butterflies around your home? Consider creating a butterfly habitat that will attract not just adult butterflies passing through but will support butterflies throughout their life cycles.

Read more >
 


Upcoming Classes and Events

 
We have some exciting classes and events coming up, both virtually and in-person! Click any event to learn more and register. You can also check our calendar for our full schedule of events.
 

Butterfly and Dragonfly Surveys
Tiger Swallowtail, James DeMers via Pixabay

Join us for this ongoing citizen science project, which provides valuable data on butterfly and dragonfly populations and the habitat that supports them. 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. 

Read about the results of this year's annual butterfly count held on June 28.

When: Every Friday morning, April through October
See the upcoming survey schedule.

Locations: In rotation at Occoquan Bay NWRMeadowood SRMA , Metz Wetlands, and Occoquan Regional Park

 

Bird Walks

Birding, Camila Cerea
 
Check our Bird Walks page for upcoming walks! Registration is no longer required for NVBA-sponsored walks.

Conservation Counts

Blue-gray Gnatcatcher, Rusty Moran

Join Jim Waggener in his ongoing natural resource surveys at two of Northern Virginia's best birding spots. Surveys alternate between Occoquan Bay National Wildlife Refuge and Meadowood Special Recreation Management Area on Mason Neck.

Read more >
National Audubon Society Action Network

The National Audubon Society invites all Auduboners to join its action network. When you subscribe to the Society’s newsletter, you'll receive alerts about important congressional actions and information about how you can affect legislation by contacting your members of Congress.
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