NPR : Beached Dolphins May Be Related to Sonar Use:
Beached Dolphins May Be Related to Sonar Use

by Shannon Novak 

Morning Edition, March 9, 2005 · Eighty sharp-toothed dolphins beach themselves on Florida’s Key Largo. More than 30 have died. Investigators are looking into the possibility that the beaching was a result of the Navy’s use of sonar, which some marine biologists believe causes underwater mammals to surface too quickly.