Narwhals rub tusks to share sensory data

Nature
Narwhals rub tusks to share sensory data

Narwhals rub their long tusks together to share sensory information like water conditions, a unique form of communication vital for their survival in the Arctic.

Narwhals, the Arctic's 'unicorns of the sea,' use their impressive 10-foot tusks for more than just show. These elongated teeth, found mainly in males, are packed with nerve endings, making them sophisticated environmental sensors. Researchers observe narwhals 'tusking' – gently rubbing their tusks together – to exchange vital sensory information.

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