Chapters

Upcoming Events

Sun 08

Trip to Cambridge Waterfront and Blackwater

December 8
Cambridge MD
United States
Sat 14

CBC: Catoctin

December 14
Sat 14

Birding at Patterson Park

December 14 @ 8:00 am - 9:30 am
Baltimore MD
United States
Sun 15

CBC: Baltimore

December 15
MD
United States
Sun 15

CBC: Elkton

December 15
MD
United States

MOS Local Chapters

Chapter designations correspond to Maryland counties, with the exception of one in Prince George’s County: Patuxent. Four chapters represent several counties. Choose a chapter close to your residence, your place of work, or where you like to bird. Membership in an MOS Chapter includes membership in the State organization and all MOS and chapter publications.

To join a specific chapter, find your nearest chapter by clicking on the map below.

Find a Local Chapter

Click on the area where you live or work to find the nearest MOS chapter and membership information.