A Lechuza is a type of hag from Mexican folklore that takes the qualities of a seemingly normal woman during the day but transforms during the night into an owl-like monster with a wide array of powers such as mimicking voices, manipulating the weather and even inducing death via her screeching.
A Lechuza is a ravenous predator that is forever seeking out prey, favoring humans - it is believed not many can survive an encounter with a Lechuza but some notable ways to survive is to exploit their one major weakness, salt.