Buzz·Posted on 13 Mar 2014Rare Tiger Cubs Born At London ZooOne of the cubs has been nicknamed "Trouble".by Richard JamesBuzzFeed News Reporter, UKLinkFacebookPinterestTwitterMail Three of the world’s rarest tigers have been born at London Zoo. Keepers monitored the birth using remote camera technology. There are only thought to be around 300 Sumatran tigers in the wild. View this video on YouTube youtube.com Click here for more information on the tiger breeding programme.