Pokémon Sun and Moon/Ultra Beasts — StrategyWiki

Ultra Beasts are unusual creatures from another dimension. The Aether Foundation researches them. They all have a signature ability shared: Beast Boost.

Ultra Beasts Locations List: Guide - SAMURAI GAMERS

Pokémon Sun and Moon Walkthrough - Part 27: How to catch Ultra Beast NIHILEGO! (Post game)

Pokémon Sun and Moon/Version differences — StrategyWiki

Pokémon Ultra Sun and Ultra Moon/Ultra Beasts — StrategyWiki

Ultra Beast - Missions, Walkthrough - Pokemon Moon Game Guide

Pokemon Ultra Sun and Moon Wiki Guide-SAMURAI GAMERS

Ultra Beasts - Pokemon Sun & Pokemon Moon Guide - IGN

Pokémon Sun and Moon/Version differences — StrategyWiki

Pokémon Sun and Moon Walkthrough - Part 27: How to catch Ultra Beast NIHILEGO! (Post game)