John Shaw / Yellow warbler (Setophaga petechia aureola) on lava rocks. Isabela Island, Galapagos. May.

Alan Murphy/ BIA / Magnolia Warbler (Setophaga magnolia) male, Texas

Alan Murphy/ BIA / Myrtle Warbler (Setophaga coronata coronata), Texas

Alan Murphy/ BIA / Northern Parula (Setophaga americana), Texas

Donald M. Jones / Yellow-rumped Warbler (Setophaga coronata) female, western Montana

Alan Murphy / Cerulean Warbler (Setophaga cerulea) male, Texas

Alan Murphy / Blackpoll Warbler (Setophaga striata) male, Texas

Alan Murphy / Bay-breasted Warbler (Setophaga castanea) male, Texas

Alan Murphy / Hooded Warbler (Setophaga citrina) female, Texas

Alan Murphy / Cerulean Warbler (Setophaga cerulea) female, Texas

Alan Murphy / American Redstart (Setophaga ruticilla) female, Texas

Glenn Bartley / Magnolia Warbler (Setophaga magnolia) singing male, Ontario, Canada