>>26973506Birds: Rare (stated to breed in anime, multiple regions, used by NPCs)
Mewtwo: Very Rare (multiples in anime)
Mew: Very Rare. (multiples in anime)
Ho-Oh/Lugia: Rare (multiples in anime, including baby Lugia, multiple regions)
Dogs: Rare (multiples seen in anime including shiny, multiple regions)
Celebi: Rare (multiples in anime)
Latis: Rare (stated in pokedex and anime, multiples seen in anime, multiple regions)
Weather Trio: Rare (stated to be not unique, multiples seen in anime including shiny Rayqua, multiple regions)
Regis: Rare (multiple regions, multiple in anime)
Jirachi: Very Rare (???)
Deoxys: Rare (multiples in the anime)
Lake Trio: Very Rare (multiple regions)
Creation Trio: Unique in the wild (Arceus recreates them once one is captured, so multiples can exist under the ownership of trainers)
Arceus: Unique (it's literally God)
Heatran: Rare (male and female, multiples seen in anime, multiple regions)
Regigigas: Rare (multiple regions, multiples seen in anime)
Darkrai/Cresselia: Rare (multiple regions for Cresselia, multiples seen in anime for Darkrai - one was even owned by a trainer)
Manaphy: Rare
Shaymin: Rare
Victini: Rare (stated in Pokedex)
Swords of Justice: Rare (used by NPCs)
Forces of Nature: Rare (used by NPCs)
Tao Trio: Debateable
Meloetta: Rare (???)
Genesect: Very Rare (multiples seen in anime)
Mortality Duo: Rare (multiple Xerneas seen in anime, referred to as not unique)
Zygarde: Not enough information yet
Diance: Rare (stated in Pokedex)
Hoopa: Rare (multiples seen in anime not counting "The Fury")
Volcanion: Rare (referred to as not unique, NPC said to have encountered multiples)
There. Thread's done. Everyone go home.