Brown-headed Cowbird

Parasitizing House Finch nest

      Names of Howard
     County Quadrangles

• DA - Damascus
• WO - Woodbine
• SY - Sykesville
• EC - Ellicott City
• SA - Sandy Spring
• CL - Clarksville
• SV - Savage
• RE - Relay
• LA - Laurel

        Blocks within
      Each Quadrangle

• NW - Northwest
• NE - Northeast
• CW - Center-west
• CE - Center-east
• SW - Southwest
• SE - Southeast

Explanation of Atlas Data

  Confirmed   P  Probable   +  Possible   o  Observed