Yes, if you are very lucky, you can catch the shiny version of Swinub in Pokemon GO. However, it is extremely rare.
In fact, the exact odds of catching a shiny Swinub in Pokemon GO are 1 in 500. This means that, on average, you’ll need to encounter around 500 Swinub before you find the shiny version.
If you are after a shiny Swinub in Pokemon GO, there is no better time to catch one than the Swinub Community Day Classic. This is because the number of Swinub spawning will be greatly increased for the whole duration of this event!
What Color is Shiny Swinub?
Shiny Swinub is light green with dark green stripes in Pokemon GO. Additionally, it has an orange snout, meaning all of the colors are different from the standard version.
This totally new color palette makes it look drastically different from the standard Swinub, which is brown with a pink snout.
Meanwhile, the shiny version of Piloswine is a luminous yellow, and the shiny Mamoswine has a green hue.
How to Get Shiny Piloswine & Mamoswine in Pokemon GO
The only way to get both shiny Piloswine and shiny Mamoswine in Pokemon GO is by evolving a shiny Swinub. This is because you cannot catch them in the wild.
To evolve a shiny Swinub into a shiny Piloswine, you need 25 Swinub Candy. Then, to evolve a shiny Piloswine into a shiny Mamoswine, you need 100 Swinub Candy and a Sinnoh Stone.