Mumbai, Nov. 19 -- The Union environment ministry has approved a three-year study called the 'Bird Sensitivity Mapping Tool' to chart the pathways of migratory birds under the Central Asian Flyway (CAF) across India using a three-dimensional (3-D) mapping process. The study was announced on the sidelines of the International Conference on Wetlands and Migratory Waterbirds of the Asian Flyways in Lonavala on Monday.

Flyways are used by bird species during their annual cycle to travel to breeding areas, stopovers and wintering zones. CAF covers migratory bird routes across 30 countries, with maximum routes passing through India.

The Rs.3.9 crore study by Bombay Natural History Society (BNHS), which had made the proposal to the environment m...