AIRPORT × WILDLIFE
Great blue heron reports at KORD
The FAA database contains 25 filed reports pairing Chicago O'Hare Intl Arpt (KORD) with Great blue heron; damage was indicated in 4.0% and engine ingestion in 4.0%. This count is not a future-event probability.
Source: FAA National Wildlife Strike Database · Airport-subject cohort · Snapshot September 16, 2026
Filed reports251990–export
Damage indicated14.0% of reports
Engine ingestion14.0% of reports
Latest report2026-05-02in this aggregate
01 / CONTEXT
Great blue heron reports at KORD: 25 paired reports in the FAA file
Great blue heron reports at KORD contains 25 filed reports; 1 indicate damage and 1 record engine ingestion, while the national Great blue heron parent contains 667 reports.
WHY THERE IS NO RISK GRADE
FAA reporting is voluntary, reporting intensity varies, and this pairing has no flight-exposure denominator. Runway Wildlife keeps counts and conditional damage shares separate.