Yep! That's what we saw on my recent trip to Guatemala - mostly Townsends, Magnolia and B & Ws, but with Kentucky and Hooded thrown in too. Seems amazing to read reports of some warbers already here in VT. So Song Sparrows, Pheobe and an all day singing male bluebird here in yd upon return. We saw and heard E Bluebirds in Guat too.. but I couldn't recognized the Central American accent at all!
Would be glad to share info on my travels to Guatemala.
E. Dorset, VT