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