The Sumi tribe of Nagas uses several ecological indicators to facilitate agricultural practices and predict seasonal variation; but this wisdom is vanishing with the passage of time
About
The 'Sümi Naga' are the major ethnic group among nagas in Nagaland.
There are also seven Sümi villages in Tinsukia District of Assam.
The Sümis practised headhunting like other Naga peoples before the arrival of the Christian missionaries and their subsequent conversion to Christianity.
Anthropological study of the Sümis is documented in the book The Sema Nagas by J. H. Hutton, who was a Professor of Social Anthropology in the University of Cambridge.
The Sümi is one of the recognised scheduled tribes of India.
The ancestral religion of the Sümis was the worship of nature.
Tuluni is a festival of great significance for the Sümi.
Ahuna is a traditional post-harvest festival of the Sümis.
Ahuna signifies the celebration of the season's harvest in Thanksgiving,
