Will County, IL – Hummingbirds have started their annual migration through Will County, but residents are urged not to take down their feeders just yet, as the birds rely on local food sources during this critical period.
According to the Forest Preserve District of Will County, ruby-throated hummingbirds began leaving their summer breeding grounds in late July and early August, with migration activity expected to continue through early October. Officials note that mature male hummingbirds are typically the first to depart, followed by females and younger birds.
The migration takes place in waves, which is believed to help protect the species from adverse weather and other hazards encountered on the journey south. This wave-like departure pattern also leads to noticeable fluctuations in hummingbird sightings at local feeders, as both resident birds and those stopping over from farther north fuel up for the long trip ahead.
Forest Preserve staff emphasize the importance of keeping feeders up and properly maintained throughout August and into early fall. Because migrating hummingbirds seek out reliable food sources, well-stocked feeders support both local and transient birds. The recommended nectar formula is one part sugar to four parts water, with no added red dye, according to the Cornell Lab of Ornithology. Feeders should be cleaned and refilled every few days to prevent mold growth and ensure the birds’ health.
While some residents may worry that late-season feeders will delay migration, experts explain that birds’ departures are driven by internal cues and environmental changes, not by the availability of food alone. Leaving feeders up until at least late September or early October helps any late migrants find the energy they need before continuing their journey south.
Forest Preserve District staff at Plum Creek Nature Center and other local sites recommend keeping an eye out for increased hummingbird activity during the next several weeks. These beautiful visitors will soon be gone until spring, but your support can help ensure a safe trip south.
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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