Swamp Sparrow (Dendroica cerulea) Tags: swampsparrow melospizageorgiana melospiza passerellidae passeroidea passerida passeri passeriformes psittacopasserae eufalconimorphae neoaves neognathae aves birds sparrow spring wildlifeobservationcenter greatswamp greatswampnationalwildliferefuge greatswampnwr morriscounty nj newjersey