I saw two singing Louisiana Waterthrush in Rock Creek Park along Broad Branch this morning.  Appropriately, they were spaced some distance apart long the tributary of the creek.
 
In the same area had two Pine Warblers singing but not seen, and one E. Phoebe.
 
Pre 8:00 a.m. I think I had two different groups of Loon sp fly over the park heading north.  I don't have any experience with Loon flyovers, but that is my guess.  The wings were very pointed if that is a helpful identifier.  The contrast between the birds and the dark grey sky was minimal, so I got no other details beyond overall body shape and size.
 
Denise Ryan
Washington, DC

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