Item consists of colour illustration on paper (no watermark) of ruffed bustard, with note: "A beautiful Variety of the Otis Tarda, 1811." Additional inscription in pencil underneath includes the scientific name: "Chlamydotis undulata undulata." The image is copied from George Shaw, Musei Leveriani explicatio, anglica et Latina (1792), v. 1, p. 338