Beached Dolphins May Be Related to Sonar Use 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. Shannon Novak of member station WLRN reports.

Beached Dolphins May Be Related to Sonar Use

Beached Dolphins May Be Related to Sonar Use

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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. Shannon Novak of member station WLRN reports.