adult, adults, American Bittern, animals, animal, fauna, wildlife, beaks, beak, bill, bills, behaviour, behavior, behaviors, birds, Aves, bird, bitterns, bittern, Botaurus, Botaurus lentiginosus, brown, camouflage, camouflaged, Coasts, color, concept, concepts, day, daytime, females, female, freshwater, freshwaters, grass, grasses, grassland, grasslands, Movement, Natural, natural world, nature, north america, american, plains, green, heads, head, horizontal, image, males, male, nobody, outdoors, outdoor, photo, ponds, Lakes, lake, pond, portraits, portrait, Southern United States, spring, swamps, Marshes, marsh, Motion, Moving, swamp, texas, southern, southwestern, texan, time, usa, United States, america, One Animal, Single, Sinton, vertebrates, vertebrate, waders, wader, wading birds, walking, walk, walks, Welder Wildlife Refuge, wetlands, wetland, wild