Acoustic phenomena explains why boats and animals collide

Researchers at Florida Atlantic University have laid the groundwork for a sensory explanation for why manatees and other animals are hit repeatedly by boats. Last year, 73 manatees were killed by boats in Florida's bays and inland waterways. Marine authorities have responded to deaths from boat collisions by imposing low speed limits on boats. In spite of manatee protection policies that have been in effect for nearly two decades to slow down boats passing through manatee-protection habitats, the number of injuries and deaths associated with collisions has increased and reached record highs...

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