Key to Map of Refuge Headquarters area A = lichen covered elm tree where ♂ bird roosted Feb.27 B = second lichen-covered ebony tree C = tree where mate of first titmouse roosted (where it called first) D = ebony tree where food tray placed ① telephone pole ② apple box west of scene of dispute at 10:44 Feb.28 ③ scene of dispute at 1:25 Feb.27 Ebony tree (Pithecolobium flexicaule) mesquite thicket #403 (Ulmus crassifolia) #402 (Leucaena pulverulenta) #401 "white bark tree" (Celtis laevigata)