“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash ...

Archaeologists unearthed the first Aztec death whistles, also known as ehecachichtlis, in 1999 while excavating the ...

But in the forests of central Mexico, a single note from an Aztec whistle didn’t always indicate celebration — it meant death. “Death whistles,” or Aztec skull whistles, were short ...