Where was Day of the Animals filmed?
1977 film by William Girdler
Day of the Animals (1977) was filmed in Sonora, Murphys and Long Barn, 3 places named in its Wikipedia article's Production section, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's Production section
Wikipedia’s Production section names 3 places. Each links to the sentence that says so.

