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In February 2022, a video supposedly showing a flock of birds crashing into the ground somewhere in Mexico was widely circulated on social media: https://gfycat.com/granduniquegyrfalconThis video left viewers with more questions than answers. Is this footage real? Is it a recent? Where did it happen? Why did it happen? This video was filmed on the morning of Feb. 7, 2022 in the Álvaro Obregón neighborhood of Ciudad Cuauhtemoc, a city in the west-central part of the Mexican state of Chihuahua. According to local media reports, police investigated the scene and found hundreds of dead birds that had been migrating south from Canada. The birds appear to be yellow-headed blackbirds (Xanthocephalus). https://www.youtube.com/watch?v=xGHKxpEmCmoEl Heraldo de Chihuahua reported (translated via Google): The exact cause for this surreal scene isn't known at this time. However, a zootechnical veterinarian on the scene hypothesized that the birds may have been impacted by local pollution, cold temperatures, or nearby powerlines. It's possible, too, that this crash was the result of simple bird-error. In 2017, on a road in North Wales, 225 starlings were found dead. While the startling sight of so many dead starlings spurred some wild speculation, local authorities concluded that the birds crashed while trying to evade a predator. Birds occasionally fly in a murmuration, a fluid formation involving hundreds or thousands of birds. https://www.youtube.com/watch?v=V4f_1_r80RYWhile this phenomenon is usually a graceful and beautiful endeavor, it's possible that a portion of a flock of birds in Mexico, similar to the flock of birds in Wales, made a miscalculation when evading a predator and ended up crashing into the ground. The BBC reported in 2017:
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