As our regular readers know, we’ve been in possession of a database containing 1.8 million recorded Pokémon encounters, which we’ve been heavily using in our previous research articles: Researching Nocturnal specie in Pokémon GO (Generation 1 and 2) and Analysis of how time of day influences different Pokemon Type spawns.

Today we’ve came across some additional resources, adding more than 4.2 million spawns to the initial data set. This article is the initial exploration of that data set focusing on following topics:

confirming which Pokémon species do not spawn in the wild,

confirming unobtainable Pokémon species and

identifying the rarest Pokémon GO specie(s)