Hundreds of yellow-headed blackbirds have been filmed appearing to fall from the sky, some of them dying, in mysterious circumstances in the northern Mexican city of Cuauhtémoc.
The cause of death remains unclear but experts said it was most likely the flock was “flushed” from above by a predatory bird swooping down to make a catch.
The footage from a security camera shows a flock of migratory birds descending on to houses like a
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