Total number of tigers in Siberian Tiger Park in northeast China's Heilongjiang Province exceeded a thousand, while as few as 500 live in the wild.
A seven-year-old tiger gave birth to a female cub on 25 July 2011, which was the first successful breeding of a Siberian tiger in the wild in China.
The year's strangest friendship only happened 'because tiger was constantly overfed'.
North Korea urged to join Russia and China in fixing reliable numbers for Amur big cats.
Proof of recovery of endangered species after 'historic' sighting of Siberian tiger 2000 km west of its usual habitat.
Incredible friendship between Amur tiger and goat cannot last, he predicts.
Deadly pesticide used to kill zoo big cat prompting demands for punishment and claims of cover-up.
Driver spots big cat at side of busy road, alerts police, and young male is tranquillised.
Holiday season brings flock of people to see the unusual friendship between the big cat and his lunch.
Brave Timur moved into the Siberian tiger's cage, and took over his bed.