Every fall, biologists from the Illinois Department of Natural Resources conduct surveys of lakes to assess the health of fish populations. They use information gathered to set limits for anglers and guide fish stocking efforts.
The Illinois Natural History Survey's Aaron Yetter tallied 195,195 ducks, just a few thousand above the long-term average of 191,939. This week's survey, flown on Monday, was the first since Oct. 15. Wind and rain had kept the flights grounded. STORY & COMMENTS