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Thursday, December 8, 2011

Research: Boat Alarm and Manatees

Boat Alarm Could Save Manatees (4:33) Manatees can't hear the low sounds of boat engines, which is why the animals are frequently injured, a researcher says. A high-pitched alarm could solve the problem as demonstrated in this Wild Chronicle segment from the National Geographc Missions Program. Source: National Geographic Videos.

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