Proceedings of the Zoological Society of London, London, Zoological Society of London, Hoffmann's two-toed sloth, Choloepus hoffmanni, Linnaeus's two-toed sloth, Choloepus didactylus, mammals, zoology, sloths, HSA, The illustration features two distinct sloths situated on branches surrounded by foliage. The upper sloth exhibits a soft, reddish-brown fur with a round face and a notable white patch on its throat, along with long claws that grasp the branch firmly. Below it, the second sloth is characterized by a darker, almost black fur with a contrasting light brown face and chest, also displaying distinctive long claws. Both animals appear relaxed, resting amidst the greenery, highlighting their natural habitat in the trees. The detailed rendering emphasizes their unique fur patterns and the intricate textures of the leaves and branches.