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