Answer:
B. quetzal bird feathers
Step-by-step explanation:
The headdress you are referring to is called Moctezuma’s headdress. It is a featherwork headdress or military device which tradition holds belonged to Moctezuma II, the Aztec emperor at the time of the Spanish conquest. The headdress is made of the feathers of quetzal and other birds mounted in a base of gold studded with precious stones.
So the answer to your question is b. quetzal bird feathers.