Upcoming Events

Sat 24

Habitat Walk: Lower Stony Run Stream Restoration.

April 24 @ 8:00 am - 11:00 am
Baltimore MD
United States
Sat 24

Birding at Patterson Park

April 24 @ 8:00 am - 9:30 am
Baltimore MD
United States
Sun 25

Birding Lake Roland’s Old Rugby Field and Blue Trails

April 25 @ 7:30 am - 11:00 am
Baltimore MD
Tue 27

Birding at Lake Roland

April 27 @ 8:00 am - 10:00 am
Baltimore MD
Thu 29

Memorial Walk at Milford Mill

April 29 @ 8:00 am - 11:00 am
Pikesville 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.