Oeuvres complètes de Buffon, Paris, F. D. Pillot, 1830-32 v. 1, 1831. Alca impennis, Pinguinis, Pinguinis impennis, Aptenodytes chrysocoma, Eudyptes chrysocome, Aptenodytes patagonicus, Great auk, Extinct, King penguin, Southern rockhopper penguin, Birds, Ornithology, Penguins, The illustration features three distinct species of penguins, each displayed with meticulous detail. At the top, a species characterized by a striking crest and a sleek body, showcasing its unique plumage. The middle penguin presents a mix of dark and lighter hues on its chest, highlighting its robust form. Finally, the lower penguin displays a distinctive facial pattern and coloration, with bold markings adding to its individuality. Each figure is oriented slightly at different angles, allowing for a comprehensive view of their features, set against a simple natural backdrop that emphasizes their elegance and diversity.