Dolphin deaths along mid - Atlantic coast seven times higher than normal . Virginia has recorded 78 dolphin deaths this month alone . It has been found in some of the animals studied this year , Potter told NPR . ` Scientists study respiratory diseases . They send a message on health of environment , scientist says .
Dolphin deaths along mid - Atlantic coast seven times higher than normal . Virginia has recorded 78 dolphin deaths this month alone . Scientists study respiratory diseases . They send a message on health of environment , scientist says .