Where to Find and Catch Skuntank
From Pokemon Go Wiki
Skuntank are found and captured in Nest and Habitat locations.
Nests
Skuntank Nests are locations that consistently spawn Skuntank.
Habitats
Skuntank Habitats are spawn locations where Skuntank is likely to be encountered, but not guaranteed the way a Nest is.
Additional Tips and Information
Best Nests
If you know a really good nest or any of the nests above is really good, list them here: