The cost of keeping tigers alive in the wild is about $80m (£50m) per year, say conservationists - but only about $50m (£30m) per year is being pledged. The figures come from a new assessment that suggests targeting efforts in 42 selected breeding sites.
Building tiger populations in these sites would enable other areas to be re-populated later, the researchers report in the journal
PLoS Biology.
About 3,500 tigers remain in the wild, with only about 1,000 breeding females.
Although conservation programmes are operating in some countries, notably India, the tiger has virtually disappeared from vast tracts of Asia where it used to live...
http://www.bbc.co.uk/news/science-environment-11304611