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Philly to dim lights to make it safer for birds in flight
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Campaign in US city to dim lights to prevent migrating birds from crashes
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Philly skyline will go mostly dark at night starting April 1 in an effort to save birds Frank Kummer, The Philadelphia Inquirer © ELIZABETH ROBERTSON/The Philadelphia Inquirer/TNS The Live! Casino Hotel Philadelphia (left) and the Center City Philadelphia skyline.
Some of Philadelphia’s most iconic skyscrapers, such as the Comcast towers, BNY Mellon Center, and the Liberty Place buildings will soon go dark overnight as their owners take part in a program to protect migrating birds from being lethally drawn to the lights.
The new voluntary program, called Lights Out Philly, is an effort to prevent bird deaths as they migrate north in the spring and south in the fall, with most flying at night. Birds can become disoriented by artificial lights, causing them to collide with buildings or windows. The lights also throw birds off migration paths, leaving them exhausted and confused, and vulnerable to various other threats.
Species most commonly killed during these events are ovenbirds, common yellowthroats, white-throated sparrows, black-throated blue warblers and gray catbirds.
The Audubon Society called last year s event Philadelphia s largest mass collision in 70 years. When they occur at that scale, there are often confounding weather patterns that further reduce visibility and confuse migrating birds, who are especially prone to reflections in windows.
Notable buildings participating in Lights Out Philly include BNY Mellon Center, Comcast Technology Center, Comcast Center, Jefferson Center, One South Broad, One Liberty Place, Two Liberty Place and 1515 Market Street.
During the hours covered by the program, these and other buildings will shut off lights on upper levels and in lobbies and atriums. External lighting will either be turned off or dimmed.