4-Zoology-Organ-Skin-Feather

penna

Birds have contour feathers {penna}|. They also have down feathers and plumes.

pinfeather

Growing feathers {pinfeather}| have hard sheaths.

pinion feather

Bird wings or outer rear-wing edges contain main feathers {pinion feather}|.

plumage

Birds have feathers {plumage}.

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4-Zoology-Organ-Skin

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Date Modified: 2022.0225