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dr. dolittle | August 2, 2015
Research published in the Journal of Experimental Biology shows that noisy humans are impacting the physiology and behaviors of dolphins and whales. To compete against man-made noises, these animals are altering the amplitude, frequency or length of their vocalizations or repeat what they need to say with the hope of being heard. Dr. Maria Holt and colleagues studied a par of bottlenose dophins vocalizing and discovered that the oxygen intake of the animals increased as they raised their voices. The team then calculated the number of additional calories the dolphins would need to ingest to…