Bradypus tridactylus Linnaeus, 1758. Published in the small edition (1927) of Brehms Tierleben, the image is out of copyright and in the public domain.
An Oso Hormiguero Gigante or Giant Anteater at the Buenos Aires Zoo. It is found through much of the Neotropics, living on ants and termites. In context at www.dixpix.ca/Amazon/fauna/mammals/index.html