This is an x-ray image of a rat. The rat is lying on its side, and its skeleton is clearly visible. The bones of the spine, ribs, legs, and tail are all distinct. The skull is also visible, with the eye sockets and teeth clearly defined. The image is in black and white, with the bones appearing as light gray against a dark background. The image is labeled 'Ratte' at the bottom, which is German for 'rat'. There is also text in the bottom corners, likely indicating the source or photographer of the image.