Proceedings of the Zoological Society of London, 1856, London, Academic Press, periodicals, zoology, London, London, Cotinga amabilis, lovely cotinga, birds, ornithology, Two vibrant blue birds, perched gracefully on a branch surrounded by foliage. The birds exhibit striking plumage, with one showcasing a rich, deep blue hue and lighter shades towards the belly. Below them, a smaller, more subtly colored bird features a blend of gray and white with speckled markings. The scene captures a moment of tranquility in nature, highlighting the beauty and diversity of bird species. The intricate details of their feathers and the delicate arrangement of leaves enhance the overall elegance of the composition.