Peregrine falcons dive-bomb Chicago pedestrians to protect chicks

A peregrine falcon looks down from a ledge at 100 S Wacker Drive in the Loop in Chicago (Ashlee Rezin/Chicago Sun-Times via AP)

Pedestrians in Chicago have been warned not to venture too closely to the nest of two protective peregrine falcons who are raising their three chicks in the city.

Chuck Valauskas was struck by one of the falcons along Chicago’s busy Wacker Drive.