Narwhal release (IMAGE)

University of California - Santa Cruz

Narwhal release

Caption

In this drone image, researchers in the water watch as a narwhal swims away with a physiological monitoring tag (yellow instrument attached with suction cups on the back), which will record heart rate, breathing rate, stroking frequency, and depth for 1-3 days.

Credit

Photo credit, Eva Garde, Greenland Institute of Natural Science.

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