Keywords: Black-crested Titmouse, South Llano State Park, TX, Texas, USA, ambient, baeolophus atricristatus, bird, birds, black crested titmouses, color, color image, color images, color photo, color photos, colors, horizontal, horizontals, natural, nature, no people, one, perch, perched, perching, portrait, selective focus, singing, single, titmouse, titmouses, united states, us