On the morning of February 7, 2022 in Cuauhtémoc, Mexico, a security camera recorded a herd of migratory birds colliding with the ground. The unusual incident caused the death of at least 100 birds. The birds that belong to the species of yellow-headed blackbirds, are migratory. They migrate in winter from the area of ​​the Great Lakes (Canada) in Mexico and the southwestern United States.