03/20/2026
I was in the barn this morning and suddenly heard loud noise like water running. Came outside to see what it was and there were thousands of birds in the wooded area making a ruckous. Found this on ai.
Large flocks of thousands of loud birds in Iowa trees, especially in spring or autumn mornings, are commonly European starlings, red-winged blackbirds, or grackles. These noisy gatherings are migratory, with birds flocking for safety, foraging information, or preparing for winter. These flocks produce a loud, raucous, and synchronized sound.
• Common Species: Starlings and blackbirds are often seen in huge, swarming "murmuration" formations before settling into trees.
• Why so Loud? The noise is a "morning chorus," where birds communicate to define territories and attract mates.
• When It Happens: These gatherings are most frequent in late winter/early spring, often as they travel to nesting areas.
• Appearance: They can appear in massive groups, sometimes taking several minutes to pass by.
These gatherings are a normal, though dramatic, part of the season. grackle-flocks-are-noisy-because-they-are-highly-social-birds-that-congregate-in groups.
One of the sure signs of spring, Iowans are seeing huge congregations of birds filling the morning and evening skies, giant clouds of feathered creatures that often take several minutes to pass. Steve Dinsmore, a central Iowa ornithologist and bird watcher, says it’s typical during this time of th...