Shyam Ranganathan
Migratory birds flocking at the Kodiakkarai sanctuary near Vedaranyam.
NAGAPATTINAM: A project, to be funded by the Food and Agriculture Organisation, will study the role of migratory birds in the spread of avian influenza, using tracking devices in three bird sanctuaries later this year, K. Balachandran, Indian co-ordinator of the project, has said.