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Download lights out bird migration
Download lights out bird migration







download lights out bird migration download lights out bird migration

Two beams of light – each with 44 xenon bulbs of 7,000 watts – rise into the night sky, mirroring the twin towers of the World Trade Center where nearly 3,000 lives were lost. Scientists from the University of Oxford, the Cornell Lab of Ornithology, and New York City Audubon studied migrant bird behavior over seven years in a truly unique setting – Tribute in Light in New York City, held to commemorate the Septemterrorist attack.

download lights out bird migration

They end up burning energy without making any progress and risk colliding with nearby buildings or being caught by predators.” “They slow down, start circling, and call more frequently. “We found that migrating birds gather in large numbers because they’re attracted to the light,” says Benjamin Van Doren of Oxford University, a lead author of the study. A new study published in the Proceedings of the National Academy of Sciences provides some of the most compelling evidence yet that artificial light at night causes radical changes in the behaviors of migrating birds. Most of these spectacular movements go unseen, occurring under the cover of darkness. – Billions of birds undertake migratory journeys each spring and fall. Note : The video file from The Messenger may only be used in connection with this story and only as-is, with no changes to the clip itself. Media Resources: Download images, video, and radar animation.









Download lights out bird migration