Five decades ago, a count of tigers in India revealed that their numbers had plummeted from tens of thousands to about 1,800 as they fell prey to recreational hunting or lost habitat to a growing population pressing into forests. That prompted India to launch one of the world’s most ambitious conservation projects. In April 1973, the tiger was declared the country’s national animal and protected areas were set up to conserve a species that lies at the top of the food chain. Hunting had been outlawed months earlier. In its 50 years, Project Tiger has seen many ups and downs. But the nearly 3,000 tigers that now roam India’s forests show the mighty cat has been saved from extinction, although conservationists warn that it still counts as an endangered species. “I rate it as one of the finest examples in the annals of conservation globally. It is not matched …