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- Maryland Ornith. Soc.
- Hot Spots
- MC Chapter
- Howard County Bird Club
- Baltimore Bird Club
- Audubon Naturalist Society
- Voice of the Naturalist
- Potomac Valley Audubon
- New Columbia Audubon
- Prince Georges Audubon
- Chesapeake Audubon
- Northern Virginia Bird Club
- Buffy's Bird Refuge
- MD Osprey
- Virginia Society of Ornithology
- Local Audubon Societies
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