Dad (front) and mom of the snow white tiger cub at Guiyang Wildlife Zoo, Guizhou province Tuesday, February 17, 2009. Three white female cubs were born to the pair on September 20, 2008. One cub died after birth, the other two survived. According to a researcher from the local branch of Chinese Academy of Sciences, only 250-300 living white tigers are recorded worldwide, even fewer of them are silver white.