They called him Buck 5700, and he wore the collar for three full breeding seasons, giving researchers valuable data.

Happel tagged a largemouth bass and was surprised when the fish spent the remainder of the summer and most of the fall in a boat slip on the South branch of the Chicago River.

How fish adapt to life in large urban rivers is one of the questions Dr. Austin Happel is trying to answer. Largemouth bass is a species of particular interest to Happel, a research biologist at the ...

Illinois DNR’s decision to double the number of bobcat permits it distributes appears to have piqued interest among Illinois trappers and hunters.