Nine fuzzy, white and chubby chicks have recently hatched at the Verrazano-Narrows, Marine Parkway and Throgs Neck bridges.
Maintenance Superintendent Carlton Cyrus says workers take care not to disturb the birds during nesting season. As he puts it: "We just give them some peace and quiet."
The Metropolitan Transportation Authority's Bridges and Tunnels agency says peregrine falcons were nearly wiped out in the 1960s because of pesticides and remain on the state endangered birds list.
Wildlife specialist Chris Nadareski estimates there are now 16 pairs in New York City.