Exploration scientifique de l'Algérie pendant les années 1840, 1841, 1842. Paris, Imprimerie royale, 1844-1867. Algeria, animals, natural history, scientific expeditions, Museum of Comparative Zoology, The illustration features two distinct birds perched on a stylized green branch. The upper bird, with vibrant orange-brown plumage, has a sleek body and a prominent, elongated tail, blending harmoniously with the branch beneath it. Its features include a slightly curved beak and a confident posture that suggests alertness. Below, a smaller bird showcases a mix of muted orange and gray hues, featuring a more rounded shape and a short tail. Both birds are skillfully detailed, with delicate line work highlighting their feathers and anatomical features. Above them, a small shell-like object is depicted, adding an additional element of interest to the composition.