Researchers have sequenced the genome of a narwhal, the Arctic whale famous for the horn-like tusk protruding from its forehead. Their work finds that compared to other Arctic marine mammals, narwhals have low genetic diversity, which typically indicates a species is struggling. However, narwhal populations number in the hundreds of thousands -- but researchers warn they are still vulnerable to climate change and human activities in the Arctic.
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/05/190501114350.htm
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/05/190501114350.htm
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