Just over a couple of decades ago, there were fewer than 100 otters remaining in the state of Illinois. Today, there are at least 15,000. They're furry and cute and a nuisance to some, often called the raccoons of Illinois waterways. What's wrong with raccoons? Anyway. So for the first time in almost 90 years, Illinois has reinstated otter trapping season. We called Bob Bluett, a biologist with the Illinois Department of Natural Resources.