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.
There's more to this story — open the app to keep reading.