When I think about possible nuke plant shut down scenarios, I might think of failing control systems, hacking, etc; bird poop is not one of the causes that naturally comes to mind. But big birds make a lot of poop, and being in the wrong place at the wrong time can cause problems.
"Damage was caused by a bird streamer. Streamers are long streams of excrement from large birds that are often expelled as a bird takes off from a perch," said plant officials, the New York Post reports.
"If a streamer contacts an energized conductor, the electrical current may travel through the streamer back to the bird or pole/transmission tower. The result may be a bird electrocution, power outage, and/or line trip."TheRegister