India Uses Census to Count Wild Tigers India has just completed a tiger census in the Sunderban delta region of eastern India. The census is taken every three years to monitor the well being of wild tigers there. Poaching and human encroachment have decimated the tiger population. Villagers in the region fear attack by stray tigers and often kill them when they leave reserves. Experts are teaching villagers how to confine stray tigers rather than killing them. Hear reporter Miranda Kennedy.