Hummingbird Migration 2024 Illinois Institute. 4) our mobile hummingbird migration tracker app. Hummingbirds are typically in illinois from may to october, though a scattering of them have been seen as early as march, according to the forest preserve district of dupage.

While some first observations are still rolling in, we’re receiving reports of hummingbird activities from across the continent, including the start of. The project runs from late.