Ibis, London, Published for the British Ornithologists' Union by Academic Press, birds, ornithology, periodicals, The illustration features two striking birds perched on a branch, showcasing their vibrant plumage. Both birds exhibit a dark body with hues of green or blue, complemented by distinctive yellow accents around their heads and throats. Their vivid red beaks and expressive eyes contribute to a lively appearance, while the surrounding foliage adds a naturalistic touch. This artwork, likely from a scientific or ornithological context, highlights the beauty and uniqueness of the species, identified as Allocotops calvus, in both adult and juvenile forms.