A new sandpiper

In a brief walk around the lake this morning, I noticed two small sandpipers. However, they weren't the Spotted Sandpipers I've been seeing for the last couple of days, they were Solitary Sandpipers -- another bird I hadn't yet seen at the park before. I also saw a few yellow-rumped warblers and a couple of ruby-crowned kinglets after having not seen them in over a week. It feels like the warbler wave is going to start hitting fairly soon.