plumage vs animal material

plumage and animal material both are nouns.

Word	Noun	Adjective	Verb	Adverb
plumage	Yes	No	No	No
animal material	Yes	No	No	No

As nouns, animal material is a hypernym of plumage; that is, animal material is a word with a broader meaning than plumage:

plumage: the light horny waterproof structure forming the external covering of birds
animal material: material derived from animals

Other hypernyms of plumage include body covering.

plumage (noun)	animal material (noun)
the light horny waterproof structure forming the external covering of birds	material derived from animals