Pale-throated Three-toed Sloth: Bradypus tridactylus - Research project by Joe Thomas on this tree-living mammal including its classification, habitat, reproduction, adaptations, nutrition and interactions with other species. Three-toed Sloth - Information from Wikipedia on the four sloths included in the Bradypodidae family. Maned Three-toed Sloth (Bradypus torquatus) - Fact sheet from EDGE, a conservation organization that focuses specifically on threatened species that represent a significant amount of unique evolutionary history. Pygmy Three-toed Sloth: Bradypus pygmaeus - Photographs, videos and information from ARKive on this species confined to a single island off the coast of Panama. Maned Three-toed Sloth: Bradypus torquatus - Photographs, video clip and information from ARKive on this species endemic to Brazil. Family: Bradypodidae - General information and anatomy of the three toed sloth.