Narwhals spend at least half time diving for food, can fast for several days after meal

PHYSorg
Mar 14, 2019, 2:14 pm499 ptsHot
Narwhals—enigmatic arctic whales known for their sword-like tusk—spend over half their time diving to find food but are also able to last up to three days without a meal, according to a study by Manh Cuong Ngô and colleagues from the University of Copenhagen in Denmark, published in PLOS Computational Biology.

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