BIKING AS LIEFSTYLE: One of the more curious events in Chicago outdoors is on Saturday. The Tour de Fat, ``New Belgium Brewing's traveling celebration of all things bicycle,'' is at Palmer Square Park. Click here for info. The YouTube video above is from last summer.

PERCH DERBY: Henry's eighth annual perch derby is at Northerly Island on Saturday. It runs until 10 a.m. Henry's staff will rove and begin registering fishermen about 6 a.m. Click here or call (312) 225-8538.

KANKAKEE DERBY: The 27th annual Kankakee River Valley Fishing Derby opens today and runs through July 4. It's $20 per family. Click here for info.

KID CARPIN': The Carp Anglers Group has a noncompetitive national event, ``Take a Kid Carpin,'' this weekend to take a kid carp fishing. For more info or to post photos, click here or e-mail Robert E. Gutierrez at rgutie1@gmail.com.

ARCHERY: Chicago Bow Hunters, Inc. in Bolingbrook holds the Doc Hopkins Memorial 3D Shoot this weekend. Click here for info. . . . On Sunday, the Lincoln Park Archery Club holds a 900 Metric 60-50-40 meters tournament at the Lincoln Park Archery Range, Official practice begins at 9 a.m. Click here for details.

FIREFLIES: If you have kids, get them outside to catch fireflies. At least in our backyard, it has been a stellar year. I have not been able to find out if there is actually any increase and, if there is, any reason for it. All I know it is an easy way to have kids get outside and connect with the outdoors.

BERRY PICKING: Mulberries are about done. Depending where you live or get outside, raspberries are winding down. Don't know about blueberries or wild strawberries.

ILLINOIS PERMITS: Just a reminder that watercraft registrations expire Wednesday.

PERSONAL PICKS: I am debating sticking my head into Henry's perch derby at Northerly Island on Saturday morning. I probably should. . . . Otherwise, I may kick back a bit this weekend. I have not played with the town pond much this year. With the rivers (rivers update coming later today) in their state, this might be the weekend to do that. . . . Or maybe this is a weekend to save up credit for later in the summer. . . . Well, the kids and I will at least do some berry picking. . . . And I am debating sticking me head in to see how the first Youth Conservation Congress goes on Sunday at Brookfield Zoo.