A first for mammals: manatees use hairs as ‘underwater antennas’
GAINESVILLE, Fla. — Chris Marshall noticed it when he snorkeled with manatees: Even when he remained still and quiet in murky water, they kept a safe distance.
GAINESVILLE, Fla. — Chris Marshall noticed it when he snorkeled with manatees: Even when he remained still and quiet in murky water, they kept a safe distance.