
1) Legendary bird 2) Mythological hybrid 3) Mythological monster
Found on
https://www.crosswordclues.com/clue/piasa

The Piasa (ɔː {respell|PY|ə-saw}) or Piasa Bird is a Native American dragon depicted in one of two murals painted by Native Americans on bluffs (cliffsides) above the Mississippi River. Its original location was at the end of a chain of limestone bluffs in Madison County, Illinois at present-day Alton, Illinois. The original Piasa illustration ...
Found on
http://en.wikipedia.org/wiki/Piasa
No exact match found.