What is described as the signature tool for the walrus's carnivorous lifestyle?

Answer

Highly sensitive snout and specialized mouth structure

The signature tool for the walrus's carnivorous lifestyle is its highly sensitive snout and specialized mouth structure, which it uses along with stiff vibrissae to feel for prey buried in the soft sediment.

What is described as the signature tool for the walrus's carnivorous lifestyle?
dietanimalmammalwalrus