noun
plumage
PLOO-mij/ˈpluːmɪdʒ/
A bird's feathers considered together.
The mallard's colorful plumage includes a green head, brown breast, and blue wing patch.

Etymology
The feather root and collective ending describe feathers taken together: a bird’s entire covering rather than an individual feather. This collective meaning was already present in early English use.
In context
A charismatic bird with colorful plumage and a long curved beak.
More examples
- The duck keeps its plumage clean by preening.
- Young gulls have different plumage from adults.
- Some birds develop brighter plumage during the breeding season.
Forms
plumage