81 short-finned pilot whales stranded on Tamil Nadu shores
Forty-five found dead, remaining 36 pushed back into the sea with slim chances of survival
No wild poliovirus case in South-East Asia in five years: WHO
The last reported case of wild poliovirus in the region was in West Bengal in 2011
Over 150 turtles found dead on Odisha beach
The Oliver Ridley turtles arrive in large numbers to lay eggs on the state's shores