The Nyshis, Arunachal Pradesh's largest ethnic group, are a unique lot. They worship the sun and moon, and show their machismo by wearing the beak of the hornbill with their traditional headgear.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/feather-cap
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/week-kochi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife