Archery deer and turkey hunt Oct. 1-Jan. 13.
Lake Michigan coho and chinook salmon snagging Oct. 1-Dec. 31.
Youth deer hunt in selected counties Oct. 9-10.
Shotgun turkey hunt in selected counties Oct. 23-31.
Peak woodcock migration occurs.
Reintroduced whooping cranes fly over Illinois en route to Florida.
Loose flocks formed containing both sexes and juvenile and adult pheasants.
Hickory, pecan and black walnut fruits begin dropping.
Deer rut begins.
Adult woodchucks begin to hibernate.
Snapping turtle hatchlings move toward water.
Little bluestem grass turns beautiful bronze color on hill and sand prairies.
Fall puffball mushrooms develop.
Rainbow trout stocked into selected lakes and ponds for catchable trout program opening at 5 a.m. Oct. 16.
Aerial goose surveys begin.
New moon Oct. 13, full moon Oct. 27.
Total lunar eclipse Oct. 27-28.
Daylight-Saving time ends, Halloween, Oct. 31.
Statewide squirrel hunt open through Jan. 20.
Coyote and striped skunk hunting open year-round.
Woodchuck (groundhog) hunting open through March 31.
North Zone youth goose hunt Oct. 9-10.
North Zone Canada goose, white-fronted goose, snow goose and Brant hunting opens Oct. 16 for 86 days.
North Zone duck, pintail hunting opens Oct. 16.
First half, statewide dove hunting closes Oct. 21.