Blue-winged Warbler
Scrubland (Sykesville)
May 29, 2011
Photo by Kevin Heffernan
Mount Pleasant
May 30, 2020
Richard Orr
Scrubland (Sykesville)
May31, 2010
Photo by Kurt Schwarz
Middle Patuxent Environmental Area May 2, 2014
Sonogram by David Cummings