Prompt
"Generate an image of a rattlesnake coiled on a rocky outcropping in the American Southwest, its rattle prominent on its tail, with a desert landscape in the background. The snake's body should be rendered in shades of brown and gray, with a distinctive pattern of diamond-shaped markings. The style should be realistic and detailed, with an emphasis on capturing the texture of the snake's scaly skin and the rough rock beneath it. gptkbp:instance_of: Crotalinae"