3/28/2014

The stress levels of humpback whales can be determined by the kind of bacteria found on the creature's skin, according to a study published in PLoS ONE. Scientists took skin samples from humpback whales and found that bacteria on stressed whales differed from those on healthy ones. Researchers at the Woods Hole Oceanographic Institution in Massachusetts hope the study helps them find a non-invasive way to monitor whales' health.

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