Subject: Environment Context: After a two-year lull in the wake of Cyclone Gaja that ravaged the Cauvery delta districts, birds have, in good numbers, visited the Vaduvur, Udhayamarthandam and Point Calimere sanctuaries. Concept: India’s migratory species- The Asian elephant, great Indian bustard, Bengal florican, oceanic white-tip shark, urial and smooth hammerhead shark are among the […]