Chrismas Island Bat

...'extinct within six months unless taken into captivity immediately to set up an emergency captive breeding programme for future re-release', writes Kim Stokes on the Edge blog:

Common across the island as recently as the 1980s, it took a 99% nose dive in numbers between 1994 and 2006. There may now only be twenty individuals left, and the only known remaining communal roost has just four individuals.