Dictionnaire classique des sciences naturelles, Brussels, Meline, Cans et Ce, 1853, Natural History, Dictionaries, The illustration depicts two distinct bird species: at the top is the cassowary, characterized by its striking black plumage, tall stature, and a prominent casque on its head, standing on a grassy patch. Below it, the ostrich is shown, notable for its long neck and legs, with a unique pattern of feathers that includes a mix of dark and light tones. Both birds exhibit their distinctive features prominently, highlighting their adaptations and differences as flightless birds. The background has a subtle texture that emphasizes the detailed illustrations of the birds.