(WBBM NEWSRADIO) — Saturday is "World Migratory Bird Day," which has special significance for Chicago.
Millions of birds fly through the city during fall and spring migrations.
Annette Prince runs the group Chicago Bird Collision Monitors, which rescues migratory birds that are injured after flying into windows of buildings downtown and along the lakefront.
“Chicago was ranked as the No. 1 most dangerous city for birds because of the amount of light and glass that we present to them,” Prince said Friday. “Light attracts them during their nightly migrations and pulls them toward buildings, residences, that have a lot of glass in their design.”
Prince says her group has convinced the owners of many buildings downtown and along the lakefront to dim their lights overnight during the spring and fall migration seasons and to install measures to prevent birds from flying into windows.
Those measures save thousands of birds a year, and her group is working to convince more building owners to help, she said.
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