https://www.allaboutbirds.org/guide/Townsends_Warbler/id

I described a small bird I was observing in GGP’s Botanical Gardens, which Ryan suggested might be a Common Yellowthroat. I had to admit it looked a lot like one, but I managed to identify it today as a Townsend’s Warbler. If I run into one again I will notice which trees and places it prefers for feeding or surveying…