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