Springfield, IL – Millions of birds are expected to fill the skies over Illinois and much of the United States tonight as fall migration takes flight.
According to the Illinois Department of Natural Resources, roughly 296 million birds are predicted to be on the move nationwide for the night of Friday, Sept. 5, with high concentrations expected across the Midwest. The forecast, provided by BirdCast, uses radar technology and modeling to estimate migration intensity and routes.
The migration map shows the heaviest bird activity stretching from the Gulf Coast through the Mississippi River Valley, with Illinois positioned in one of the busiest flyways. State officials said this surge marks the early stages of the fall migration season, as flocks head south toward warmer climates.
Experts encourage Illinois residents to take precautions to help migratory birds. The Department of Natural Resources recommends turning off unnecessary outdoor lights at night, which can reduce confusion and collisions for birds traveling after dark. Homeowners are also urged to keep windows covered where possible and avoid outdoor hazards such as reflective glass.
The fall migration typically lasts from late August through November, with peak numbers moving across the Midwest in September and October. Species ranging from warblers and thrushes to waterfowl and raptors are included in the seasonal shift.
Residents interested in tracking nightly migration forecasts in their area can view live updates at birdcast.info, which provides maps and data tools to monitor movement patterns in real time.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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