The feather fanatics are always on patrol and they will correct you.
FEATHERS AND THE LAW: UNDERSTANDING WHY COLLECTING FEATHERS IS ILLEGAL – Tanglewood Hollow
Flight of fashion: when feathers were worth twice their weight in gold - Museums Victoria
Mixed Blessings
Crimes of Fashion The Frick Pittsburgh
Research sheds light on how patterns form in bird feathers
Is it legal to own owl feathers in the US? - Quora
FEATHERS AND THE LAW: UNDERSTANDING WHY COLLECTING FEATHERS IS ILLEGAL – Tanglewood Hollow
FEATHERS AND THE LAW: UNDERSTANDING WHY COLLECTING FEATHERS IS ILLEGAL – Tanglewood Hollow
Eagle Feathers: Sacred to Navajos, Protected by U.S. - AZPM
How Do Feathers Keep Birds Warm?