Black-throated Blue Warbler - Region 4
Migrant Only
Photo by Willie Sekula
Black-throated Blue Warbler - Culberson Co., October 9, 2017
Photo by Barry Zimmer
Black-throated Blue Warbler - El Paso Co., October 23, 1991
Photo by Barry Zimmer
Black-throated Blue Warbler - El Paso Co., October 19, 1991