Two Iberian lynxes at a nature reserve in northern Spain. (February 2006 file photo.) Victor Fraile /Reuters /Landov hide caption itoggle caption Victor Fraile /Reuters /Landov The Two-Way Missing Lynx? Cat Is On 'Brink Of Extinction,' Study Says July 22, 2013 The "world's most endangered feline species," the Iberian lynx, faces continued pressure because its prey is disappearing. Researchers say the cats need to be introduced to parts of the Iberian peninsula that are higher in altitude and latitude.