Okay, not quite the dinosaur you’re probably picturing. 😂 This Saturday, “The Dinosaur of Lake Michigan” is coming to A. Montgomery Ward Park right here in River North. The outdoor performance follows an explorer on the hunt for the mysterious “dinosaur” of Lake Michigan — which turns out to be one of the Great Lakes’ most fascinating creatures: the lake sturgeon. 🐟🦖 Created by Kerfuffle and Rabbitfoot Puppetry, the show uses realistic animal puppets made from recyclable m