Tigers are the third largest land carnivore.
They once roamed widely across Asia but over the past 100 years, they have lost 93% of their historic range. The global population in the wild is estimated to number less than 4000 individuals, down from 100,000 at the start of the 20th century. How much longer can they survive?.
Channel 5, 1 x 60 mins, 2005
Deep Down Space
Listening Through Walls