Where to Find and Catch Klink
From Pokemon Go Wiki
Klink are found and captured in Nest and Habitat locations.
Nests
Klink Nests are locations that consistently spawn Klink.
Habitats
Klink Habitats are spawn locations where Klink 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: