For the first time, scientists recorded video of narwhals using their tusks to hunt fish. The footage reveals that narwhals hit and stun fish with their tusks before eating them. While scientists knew a narwhal's tusk was full of nerves and was not used for fighting, the exact function of a narwhal's tusk has long been much of a mystery. This research offers further insight into the biology of the narwhal and will help scientists as they make conservation decisions and work to protect the species.
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