The image is a photograph of a warning sign in a field. The sign is rectangular in shape and has a white background with black text and a black and white illustration of a rattlesnake on it. The text reads "BEWARE RATTLESNAKES!" in large, bold letters. Below the illustration, there is a smaller text that reads "Rattlesnakes!" in smaller, black letters. The background of the sign is a grassy field with a clear blue sky.