A male Baltimore Oriole was by the small pond upstream from Lake Elkhorn in 
east Columbia this morning (4/19). Other migrants or arrivals in the area were 
a Green Heron, several Ruby-crowned Kinglets, two western Palm Warblers, a 
male Yellow-rumped Warbler, a Pine Warbler, a Blue-headed Vireo and a Purple 
Finch.

Jim Wilkinson
Columbia, MD