Can Rattata be shiny in Pokemon GO?

At the end of the Season of Mischief in Pokemon GO, trainers can catch a bunch of shiny Pokemon, including Rattata.

Pokemon go] shiny rattata : r/ShinyPokemon

Shiny Pidgey and Rattata are now in Pokemon Go! – Aabicus Archives

Shiny Rattata

maybe first shiny in milan italy it's a rattata but not bad! someone got it too??

7] Shiny Rattata in let's go! : r/ShinyPokemon

Random Shiny Alolan Rattata in PoGo!! #pokemongo #pogo #pokemongoshiny

Shiny Rattata - Pokemon Go

7] Genuine question for Let's Go games: Is the Alolan Rattata we get on the NPC (Tatianna) trade at the pokemon centre in Cerulean City meant to be Shiny as standard? It's

Shiny Rattata - Pokemon Go

Evolving SHINY RATTATA TO SHINY RATICATE IN POKEMON GO

PoGO] Shiny Alolan Rattata and I got it before the Spotlight hour Good wild Iv too : r/ShinyPokemon

Pokémon Go Shinies - how to catch Shiny Magikarp, Red Gyarados, and what we know about other Shiny Pokémon

Shiny Skorupi, Alolan Rattata and Sneasel! #SPASOL

Evolving SHINY ALOLAN RATTATA TO SHINY ALOLAN RATICATE IN POKEMON GO

Pokémon Go: Complete list of Shiny Pokémon July 2023