Museum Carlsonianum, in quo novas et selectas aves, coloribus ad vivum brevique descriptione illustratas, suasu et sumtibus generosissimi possessoris, Holmiae, Ex Typographia Regia, 1786-1789. Africa, Southern, Birds, Pacific Area, Pictorial Works, Sweden, A beautifully illustrated depiction of a bird labeled 'Certhia caerulea.' The bird is presented in profile, showcasing its slender body and distinctive features, including a curved beak and elegant, elongated shape. It perches gracefully on a branch, which is rendered with naturalistic details. The artwork captures the essence of the species, emphasizing its delicate outline and subtle color variations, while the species name is elegantly written below, adding a scholarly touch to the composition.