Yup, it was lauded for its amazing CGI when it came out, but the vast majority of the movie was shot with puppets and practical effects. It’s also a great example of “less is more” in the sense that the movie is over two hours long, but only has like 15 minutes of actual dinosaur footage. That meant they were able to focus their time and resources effectively, to make the few bits of CGI as good as they could be.