Im not going to do anything different than you would. Open google scholar, put in various searches about outdoor cats, and read the newer articles.
Im not going to badger any of my real world friends about sources for a dumbass internet argument, and my memorized sources are all about my actual work, which is specialized in botanical study specifically.
Or reach out to your local university. Im sure there are a few local researchers who are plenty passionate about this and are invested in giving you specific local examples.