We asked experts what to do when you see something in the Chicago River that doesn’t belong there.

Chicago was once a swamp. In some places, it still is. But will climate change undo wetland restoration efforts?

This time of year, Shedd Aquarium biologist Melissa Youngquist can be found in the woods, sloshing through ponds in search of signs of amphibian life.

Hear what viewers had to say about our interview with Hershey Felder, our story on outsider artist Lee Godie and our showcase of creatures from ReptileFest when we read feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.

A new special exhibit opens on Saturday with 40 species of amphibians. We talk with the Shedd Aquarium's Special Exhibits manager about the "ribbiting experience."