Another old world mammal, the Harvest Mouse (Micromys minutus) also has a fully prehensile tail.
tail | Brown-tail | tail rotor | Serpent's Tail | An American Tail: Fievel Goes West | An American Tail | V-tail | Tiger by the Tail | Iron Tail | Fee tail | Fairy Tail | crested dog's tail | 'V' or butterfly tail | The Dragon's Head and Tail, from Guido Bonatti | Tail Spin | Tail rotor | Tail of the Bank | tail gunner | Peter-No-Tail in Americat | Perham Township, Otter Tail County, Minnesota | Otter Tail River | Otter Tail County, Minnesota | Leaf Mountain Township, Otter Tail County, Minnesota | I've Got a Tiger By the Tail | Gorman Township, Otter Tail County, Minnesota | Fukuro (Fairy Tail) | fee tail | crested Dog's-tail | A Witch's Tail (Part 2) | An American Tail: The Treasure of Manhattan Island |