A 10-week-old cheetah cub plays with the tail of its mother Tumai, as a new litter of four new cubs were shown for the first time at Washington National Zoo February 4, 2005. The two male and two females are the first litter of cheetahs born at the National Zoo during its 115 year history and will go on public exhibit February 5. NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE. REUTERS/Jason Reed JIR