The wailing woman of the river has scared children away from staying out after dark from the American Southwest all the way down to Central and South America. See the Santa Fe, NM version of the tale on Hometown Tales.
im gonna write a soapbox about this video. i swear on everyone i love that i saw one of these one night, then my dad showed me this, and i still cant watch it. ugh i hate it!!! lol TUN UP YOUR BRIGHTNESS! THEN WATCH IT