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News / Life / Pets & Wildlife

Third owl found dead in Chicago

By Avani Kalra, Chicago Tribune
Published: May 17, 2024, 6:13am

CHICAGO — The third and final member of a family of great horned owls living in Lincoln Park’s North Pond was found dead Thursday morning. Experts said the bird is suspected to have died from rodent poisoning.

The adult female owl was found covered in blood, Annette Prince of Chicago Bird Collision Monitors said, a condition that indicates rat poisoning. It will be transported to the Willowbrook Wildlife Center to determine a cause of death.

“This was a tragic outcome,” said Prince. “The family was thriving there in North Pond. We need to petition our cities and municipalities and encourage our neighbors not to use these high amounts of poison.”

The owl’s adult male partner and their baby owl were found dead in recent weeks in the pond area. Experts suspect that rodent poisoning played a role in both owls’ deaths.

Sarah Reich, head veterinarian at the Willowbrook Wildlife Center, said the baby owl experienced massive amounts of internal bleeding and almost certainly died from rodent poisoning. His father experienced two broken ribs but also had internal bleeding and is being tested for rodent poisoning, she said.

Reich said birds with broken ribs are often able to survive, indicating some kind of underlying cause.

Even if rodent poisoning is not the final cause of death for a bird, it can often contribute, according to Holly Fales Garvey, a volunteer environmental educator at the Lake County Forest Preserve District.

She said she sees a lot of birds die from hypothermia after becoming lethargic and slow from rat poisoning, while other birds become weak enough they fall out of trees or are hit by cars.

“The animals bleed out from the inside,” Fales Garvey said.