A new iPad app is asking users to "tag" tigers, to help researchers with counting and tracking the animals.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/tiger-tagging-app-aims-boost-surveillance
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger-conservation