Are shiny legenderies in this game rare? - Questions - The Pokemon

Hello earlier today I was trying to catch Meloetta by resetting my game every time my quick ball does not work so i don’t end up spending a fourtune on balls. On the 3rd or 4th time of this I encountered a shiny meloetta and caught it with a shiny ball. Are shiny legendaries common or do they have increased shiny rates. I tried to google it but couldn’t find an answer in thanks in advance for any reply or answer to this.

Pokémon Go Legendary Shiny encounter rates reportedly heavily

Is it better to leave my shiny legendaries in Pokemon Go, or bring

Shiny Uxie best Stats // Pokemon Legends: Arceus // Fast - Norway

Past-Gen Legendaries Package (64x, 6IV, Shiny, Battle Ready

The Startling Truth About the Shiny Rate in Pokémon GO

11 best shiny Pokémon, Which shinies are the coolest?

Which Pokemon are Shiny locked in the Crown Tundra? - Dexerto

Pokemon Sword and Shield: Increase your chances of finding shiny

Legendary Shiny Pokémon Zygarde Is Coming To Sun/Moon And Ultra