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Types of Feathers

Bristle
Bristle

Bristle Bird Feathers Not all species of birds have bristle feathers. Bristles are specialized feathers that are believed to perform a tactile function. They have a stiff, tapered rachis and few, if any barbs that appear only at the base of the feather.

source: paulnoll.com
Down
Down

The down of birds is a layer of fine feathers found under the tougher exterior feathers. Very young birds are clad only in down. Powder down is a specialized type of down found only in a few groups of birds. Down is a fine thermal insulator and padding, used in goods such as jackets, bedding, pillows and sleeping bags. The discovery of feathers trapped in ancient amber suggests that some species of dinosaur may have possessed down-like feathers.

Feathers With Vanes: Contour and Flight Feathers
Feathers With Vanes: Contour and Flight Feathers

- contour feathers without vanes - rachis but lack BARBS and BARBULES. Where are bristle feathers found ... How many FILOPLUMES doe each flight feather have. 8-12.

source: quizlet.com
Filoplume
Filoplume

Other articles where Filoplume is discussed: bird: Feathers: Filoplumes are hairlike feathers with a few soft barbs near the tip. They are associated with contour feathers and may be sensory or decorative in function.

image: paulnoll.com
Semiplume
Semiplume

Semiplume Bird Feathers In appearance, semiplumes fall between contour feathers and down feathers, combining a large rachis with downy vanes. Semiplumes are distinguished from down feathers in that the rachis is longer than the longest barbs.

source: paulnoll.com