Swarm

Swarm has several referrals:

Swarm (Ability), an Ability introduced in Generation III.
Pokémon outbreak, also known as a swarm, a method of encountering Pokémon that would normally not appear in that area, or that are usually uncommon there.

This is a disambiguation page — a navigational aid which lists other articles that might otherwise share the same title. If an article link referred you here in error, please go back and fix it to point directly to the intended page.