Is there a reason Mega Absol is not part Flying-type?

Question

Comments

Absol's Pokedex entry in Moon says its wings aren't real, and it can't fly.

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Is there a reason it should be Flying?

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It's like asking why Mega Charizard X or Beedrill, for instance, aren't flying types

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Just because a Pokemon has wings doesn't meaning it has to be flying type, look at garchomp, flygon, or venomoth. They all have have wings but aren't flying type. Also Mega Absol's wings are just meant to strike fear into their opponent

Answer 1

What you see on its back are not true wings, and this Pokémon isn’t able to fly.

Source

The simple reason Mega Absol isn’t flying type is because, despite having wings, it actually can’t fly.