Down
Plumage forming the undercoating of waterfowl, consisting of clusters of light, fluffy filaments growing from one scantly down core but without any quill shaft or vane.

Feather
Horny integument of fowls. It has a shorter and softer vane than quill feather and, unlike plumules, a well developed quill.

Waterfowl feather
Feather derived from the plucking of waterfowl, such as ducks and geese.

Goose feather
Feather derived from the plucking of geese.

Duck feather
Feather derived from the plucking of ducks.

Down of Eiderduck
Down picked from eiderducks´ nests.

Landfowl feather
Feather derived from the plucking of landfowl, includes chicken feathers and turkey.

Finished feather
Feather which has been passed through all the working processes, including washing, drying and all hygienic treatments.

New feather
Feather not previously used after plucking as filling material.

Reprocessed feather
Feather which has been previously used as filling material and again subjected to treatment.