bird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

down, down feather - soft fine feathers

aftershaft - a supplementary feather (usually small) on the underside of the base of the shaft of some feathers in some birds

contour feather - feathers covering the body of an adult bird and determining its shape

bastard wing, spurious wing, alula - tuft of small stiff feathers on the first digit of a bird's wing

marabou - downy feathers of marabou storks used for trimming garments

web, vane - the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft

hackle - long slender feather on the necks of e.g. turkeys and pheasants

quill, calamus, shaft - the hollow shaft of a feather

flight feather, quill feather, pinion, quill - any of the larger wing or tail feathers of a bird

scapular - a feather covering the shoulder of a bird

body covering - any covering for the body or a body part

ceratin, keratin - a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves

animal material - material derived from animals

melanin - insoluble pigments that account for the color of e.g. skin and scales and feathers