bird migration | Lake County Nature

Post by Brett Peto

This article appears in the spring 2026 issue of Horizons, the award-winning quarterly magazine of the Lake County Forest Preserves in northern Illinois.

It’s also available as an episode of our Words of the Woods podcast.

Rose-breasted grosbeak: This 8-inch-tall migratory bird is named for the male's triangular, rose-red chest patch. Illustration © Samantha Gallagher. — **Rose-breasted grosbeak:** This 8-inch-tall migratory bird is named for the male’s triangular, rose-red chest patch. Illustration © Samantha Gallagher.

At first light, a wetland at Rollins Savanna Forest Preserve (Grayslake) stirs to life. Red-winged blackbirds trumpet conk-la-REE-look-at-ME songs from swaying cattails. Wood ducks tip forward to eat plants below the water’s surface, rear ends bobbing in the air.

A great blue heron stands motionless onshore, amber-yellow eyes searching the shallows for tasty fish. The fresh smells of spring drift on a casual breeze as the landscape comes alive. Birdwatching gives you front-row seats to these compelling scenes, especially in Lake County.

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Post by Jen Berlinghof

There’s solace to be found in the fact that the rhythms of nature march on. This spring, the sun still rises. The wild leek (Allium tricoccum) still pulses its verdant green arms through the pulpy leaf litter of the forest floor. The birds still surge through the skies as they migrate to and through the Lake County Forest Preserves in northern Illinois. Like us, some of these birds are inclined to congregate in large communities. Over the years, the colonies of a particular species, the purple martin (Progne subis), have become largely reliant on people to provide shelter for their nesting flocks.