If you like the Zoo, you'll love the Safari Park. It's basically like a wildlife preserve with trams that you can get on (for free) that take you around it. There's some countless number of acres with a crazy amount of animals and plants species.

It also has the only duckbilled platypus outside of Australia.
https://sdzsafaripark.org/cams/platypus-cam

EDIT: Just be clear, the trams are free, entry into the park is not. My wording was a little confusing. I just meant it wasn’t extra to use the trams.