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>Diglett in the Alola region live near volcanic areas, so they have few places to hide themselves away. Their tunneling activity plows the land, creating cultivated soil that's great for agriculture. Because of this, many people in the Alola region are grateful for the presence of Diglett.
>The hairlike growths sprouting from Diglett’s head are metallic whiskers. It’s said they developed these stiff yet flexible whiskers in order to survive in the hostile volcanic environment. The whiskers provide a sensory function, enabling Alolan Diglett to scan the surrounding area without exposing their faces aboveground.
>Their current emotional state is revealed by their whiskers. When their whiskers stand straight up, they're angry. Whiskers that wave are a sign that the Pokémon is on alert. When they swing their whiskers around, they're in a good mood, and when their whiskers droop, they're feeling lonely or downhearted.
Alolan Diglett can have the Tangling Hair Ability, which is a new Ability that no other Pokémon has previously had. With the Tangling Hair Ability, opponents that hit Alolan Diglett with a move that makes direct contact will have their Speed lowered by 1.