Meet The Long-Eared Jerboa – The Absolutely Adorable Tiny Mysterious Creature

Species classified as Edge have so few close relatives that they are highly genetically distinct; if they disappear there will be nothing left like them. The animals on this list are ranked according to their evolutionary rarity, as well as their proximity to extinction. The top ten Edge species also include theYangtze river dolphin (Lipotes vexillifer), the long-beaked echidna (Zaglossus bruijni) and the bumblebee bat (Craseonycteris thonglongyai).