What Is Narwhal – the Whale with Long Sword-Like Spiral Tusk…
6. Their tusks got sensory ability.
The tusks of narwhals have nerve endings that can detect changes in the salinity of water like its saltiness, pressure, or temperature.
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6. Their tusks got sensory ability.
The tusks of narwhals have nerve endings that can detect changes in the salinity of water like its saltiness, pressure, or temperature.
