A double-tusked narwhal harvested in the study area by Inughuit hunters and used for analysis, Inglefield Bredning Fjord, Northwest Greenland. (E. A. Podolskiy, August 2023 via SWNS) By Talker

By Stephen Beech

Narwhals have been caught on camera colliding with deep ocean monitors.

The mysterious toothed whale species native to the Arctic has been involved in "hundreds" of incidents with underwater recording devices.

The narwhals may be mistaking the recording equipment for cod they love to feed on, say scientists.

Underwater passive acoustic recording is vital for researchers to monitor and study marine animals in their natural environment with minimal disturbance.

But the latest findings, published in the journal Communications Biology , suggest passive monitoring is not as no

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