What function is incorrectly assumed to be the primary use for walrus tusks?

Answer

Digging food out of the muddy seabed

A common misconception exists regarding the primary purpose of the walrus's long ivory tusks, which are elongated canine teeth. While they are formidable weapons used in defending against predators such as polar bears and for asserting social dominance during the mating season, they are not the main tools used for foraging. Instead of using these tusks to excavate the bottom, walruses employ their specialized facial whiskers, known as vibrissae, to root around and locate buried prey on the seabed. The tusks' most vital confirmed functions relate to locomotion and social structure, specifically helping the animal haul its heavy body out of the water onto ice floes or land.

What function is incorrectly assumed to be the primary use for walrus tusks?

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