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