action, adult, adults, aggression, aggressive, agricultural fields, agriculture, america, american, animal, animals, backyard, backyards, behavior, behaviors, behaviour, blue, boulder, boulders, cloud, clouds, cold blooded, color, communication, concept, concepts, danger, dangerous, day, daytime, defense, desert, deserts, Diamondback Rattlesnake, different, farmland, farmlands, fauna, female, females, field, fields, flora, Forest, forests, full body, Full Length, garden, gardens, grassland, grasslands, horizontal, image, instrumental, instrumental sound, interesting, landscape, landscapes, Laredo, Length, male, males, meadow, meadows, motion, Movement, moving, Natural, natural world, nature, nobody, noise, north america, Oenothera speciosa, one, one animal, outdoor, outdoors, pastures, photo, pitviper, plains, plant, plants, Poison, poisonous, portrait, portraits, pose, prairie, prairies, raised up, rattle, Rattlesnake, Rattlesnakes, reptile, reptiles, rgv, rio grande valley, rock, rocks, scale, scales, scary, scenery, scenic, scenics, Serpente, Serpentes, single, skies, Sky, snake, snakes, sounds, south, southern, southern united states, southwest, southwestern, stone, stones, striking, texan, texas, tongue, tongues, United States, usa, venom, venomous, vertebrate, vertebrates, viper, Viperidae, Webb, Webb County, Western Diamondback Rattlesnake, wild, wildlife, woodland, woodlands, Woods