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