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US NewsThe 9/11 Tribute Lights Are Endangering 160,000 Birds a Year

11:50  10 september  2019
11:50  10 september  2019 Source:   msn.com

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Members of the New York City Audubon Society monitor birds that are attracted to the Tribute in Light installation.Credit Andrew Kelly/Reuters.

Every year on September 11 , two soaring beams of light turn on over Lower Manhattan in a glowing tribute to those killed 18 years ago. The convergence creates a spectacle that is eerily beautiful, yet according to one study endangers some 160 , 000 birds a year , starkly illustrating the perils of

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year © Andrew Kelly/Reuters Members of the New York City Audubon Society monitor birds that are attracted to the Tribute in Light installation. Every year on Sept. 11, two soaring beams of light turn on over Lower Manhattan in a glowing tribute to those killed 18 years ago. Observers looking closely can spot dots and shapes gathering inside the towers of light, moving, multiplying, wheeling lower and lower.

These dots are actually birds, who are drawn to the light along with insects and bats. The animals circle these lights, seemingly unable to veer away, and are pulled off course, putting them at risk of deadly exhaustion or injury. Sometimes, their calls to one another can be heard, which increase, scientists say, with their confusion.

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Unfortunately, it also endangers 160 , 000 birds a year . Every September, two powerful beams of light illuminate Manhattan’s sky to commemorate the Those who’ve visited the site while the illuminated tribute is underway are familiar with the plentitude of birds swooping across and around the shafts of

The “ Tribute in Light ” is a beautiful memorial to the lives lost on September 11 , 2011, with two rays of light that reach up to the sky just like the Towers

By twist of fate, the anniversary of the Sept. 11 attacks coincides with a much older yearly ritual: the migration of birds across New York City as fall approaches. The convergence creates a spectacle that is eerily beautiful, yet according to one study endangers some 160,000 birds a year, starkly illustrating the perils of humans and animals sharing an urban ecosystem.

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year © 2019 Getty Images NEW YORK, NEW YORK - SEPTEMBER 09: One World Trade Center, also known as the Freedom Tower, stands in lower Manhattan on September 09, 2019 in New York City. New York City is preparing to commemorate the 18th anniversary of the attacks on the World Trade Center in which 2,996 people were killed and over 6000 were injured. (Photo by Spencer Platt/Getty Images) The tiring detour through the beams of light can put birds at risk of starvation or injury to populations already threatened by light pollution, collisions with buildings, habitat destruction and climate change.

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The powerful twin beams endangers migrating birds by drawing them off course and trapping them inside the lights .

The otherwise beautiful 9 / 11 tribute lights in New York are endangering over 160 , 000 birds each year , according to study. Every year , something happens during September 11 in New York City, and we ' re not talking about the anniversary of one of the most tragic days in American history.

Since 2005, bird scientists, ecological volunteers and the memorial’s sponsors have worked together to try to reduce the harm — a collaboration now yielding new scientific insights and increasing support for protecting birds in New York and other cities.

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year © 2019 Getty Images NEW YORK, NY -SEPTEMBER 05: One World Trade Center towers over the September 11 Memorial and Museum on September 05, 2019 in New York City. New York City is preparing to commemorate the 18th anniversary of the attacks on the World Trade Center in which 2,996 people were killed and over 6000 were injured.(Photo by Spencer Platt/Getty Images)

Around sunset, as the beams become visible, volunteers and scientists — along with Sept. 11 emergency responders, survivors and relatives of victims who are invited to view the tribute — gather on the roof of a parking garage near the base of lights close to the World Trade Center site.

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Tribute in Light is a commemorative public art installation first presented six months after 9 / 11 and then every year thereafter, from dusk to The convergence creates a spectacle that is eerily beautiful, yet according to one study endangers some 160 , 000 birds a year , starkly illustrating the perils of

Every year on September 11 , two soaring beams of light turn on over Lower Manhattan in a glowing tribute to those killed 18 years ago. Observers looking closely can spot dots and shapes gathering inside the towers of light , moving, multiplying, wheeling lower and lower.

With the help of binoculars, radar and the naked eye, the scientists count the trapped birds, which often include small songbirds like Canada and yellow warblers and American redstarts. Nighthawks and bats come too, to prey on insects, and peregrine falcons show up to feed on the smaller birds. When the number of trapped birds reaches around 1,000, the lights are switched off for 20 minutes to let the birds disperse.

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year © 2019 Gary Hershorn HOBOKEN, NJ - SEPT 7: A seagull stands in front of the skyline of lower Manhattan as the sun rises in New York City on September 7, 2019 as seen from Hoboken, New Jersey. (Photo by Gary Hershorn/Getty Images) Susan Elbin, an ornithologist and the director of conservation and science at New York City Audubon, an advocacy group, finds herself awed by the nightlong vigil.

“It’s very solemn,” she said. “The lights just sort of appear in the darkness and go on forever”— four miles up — “and when the sun rises the next morning it just disappears.”

She added, “It’s my job to turn the lights out, and I’d rather not have lights on at all, because the artificial light interferes with birds’ natural cues to navigate.”

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A recent study shows that beams of light can lure birds to veer off their normal migratory flights, putting them at risk of starvation or injury. The New York Times. Last updated on 11 September 2019.

NYC's annual Tribute in Light honors those lost in the 9 / 11 attacks. However, it threatens thousands of migratory birds who are mesmerized by the bright According to a study published in the Proceedings of the National Academy of Sciences, the light event endangers nearly 160 , 000 birds each year .

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year © 2019 Gary Hershorn JERSEY CITY, NJ - SEPT 9: The sun sets on lower Manhattan and One World Trade Center in New York City on September 9, 2019 as seen from Jersey City, New Jersey. (Photo by Gary Hershorn/Getty Images) But she also understands the importance of the tribute: Last year, she recalled, a visitor told her that his friend, an emergency responder unable to travel because of an illness he contracted working at ground zero, could see the tribute from his town on Long Island, and felt disturbed every time it shut down to let the birds fly away.

But according to radar studies by Ms. Elbin and other scientists, the 20-minute breaks are enough to allow birds to resume their migration.

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year © Gary Hershorn/Getty Images Birds and moths twinkle as they fly through the beams of lights as part of the Sept. 11 anniversary. The light tribute attracts bird densities up to 150 times their normal levels. One study conducted on seven anniversary nights between 2008 to 2016 concluded that the lights affected the migrations of 1.1 million birds.

Collisions with buildings, especially ones with transparent or reflective windows, kill 600 million birds a year across the country, and as many as 230,000 in New York City, according to N.Y.C. Audubon.

The problem at the tribute, Ms. Elbin said, is that the immense lights can leave birds exhausted and disoriented, making them more vulnerable as they continue their migration.

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“Light lures them in, and glass finishes them off,” she said.

Another risk is that by flying in the lights, birds could use up too much of the fat they store for energy for migration, she said. “They only have enough to get where they need to go; the fatter you are the more energy it takes to fly, so it’s a fine balance,” she said.

The Sept. 11 bird-watching ritual has attracted a following; there are waiting lists to join the 20 volunteers each year. It has also bolstered a growing movement called “community science,” in which members of the public help professional scientists collect data, increasing the scale of research and helping connect volunteers to their environment and to science.

The radar studies are now being used by scientists and advocates to raise awareness about the ecological impact of light pollution in cities across the globe. The monitoring is being expanded to look at the affect of the lights on insects, which also suffer migration disruption and can burn to death.

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year © ASSOCIATED PRESS Norma Molina, of San Antonio, Texas, leaves flowers by the names of firefighters from Engine 33 at the September 11 Memorial, Monday, Sept. 9, 2019, in New York. Her boyfriend Robert Edward Evans, a member of Engine 33, was killed in the north tower of the World Trade Center on Sept. 11, 2001. (AP Photo/Mark Lennihan) On Tuesday, the City Council is holding a committee meeting on a bill to require new or renovated buildings to use more bird-friendly glass. A similar campaign is underway in Chicago.

The bird-saving effort has an extra resonance this year as a United Nations climate summit kicks off later in September in New York.

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According to the National Audubon Society, habitats that are shifting and shrinking as a result of climate change will imperil half of all North American bird species, 145 of them living in or migrating through New York.

Sara Crosby, 43, joined N.Y.C. Audubon’s Project Safelight, which monitors the streets for birds that have died after crashing into buildings, after finding a dead bird on the sidewalk. In 2007, she joined the 4 a.m. to 6 a.m. monitoring shift on Sept. 11, a scene she described as a mix of “bird people with their yoga mats” and “lots of scientists being science-y.”

Gallery: The World Trade Center: From construction to 9/11 and beyond [Photos]

The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year
The 9/11 Tribute Lights Are Endangering 160,000 Birds a Year

Ms. Crosby, an administrator at Borough of Manhattan Community College, added, “I was here for 9/11. I saw the second plane. I am not ‘anti’ a tribute.”

“But,” she added, “a tribute that kills thousands of birds? Is this really what we want?”

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