down feather

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down feather

small feathers whose barbs do not unite to form a closed vane, thus giving it a fluffy appearance.
References in periodicals archive ?
Jordan initially started off stitching down feather products for family & friends but it was her handiwork excellence that prompted many to inspire her in embarking on a full-on business.
They collected samples of preen oil and preen down feathers from 21 females and 20 males, to test whether the birds' body odor carried individual and/or sexual signatures likely to reliably signal individual genetic makeup.
An HY Long-eared Owl (Asio otus), found freshly killed by a larger raptor in early December, had an even distribution of pale lavender fluorescence only at the base of the flight feathers where they had been covered by coverts, but exhibited strong fluorescence on the down feathers of the tarsi and flanks.
Goose feathers have an important commercial value, and down feathers are extensively used as high quality insulation materials in both clothing and bedding as for a given level of warmth, because they are lighter and more compressible.
This result provided very valuable information for us to interfere in the development of down feathers in goose.
Cell structure of developing barbs and barbules in down feathers of the chick: Central role of barb ridge morphogenesis for the evolution of feathers.
Broley (1950) describes Blue-winged Teal down feathers with conspicuous white centers and dark tips and breast feathers with an elongated dark sub-terminal area and light proximal portion.
This breed is used widely in Europe for live picking because of their abundance of down feathers.
A drop of oil the size of a dime on a bird's body or wings can damage their insulated layer of down feathers, causing the bird to freeze to death.
Furthermore, they are more than amply equipped with down feathers to keep them from freezing during the coldest sub-zero nights
Some are soft and fluffy, like the down feathers found in winter jackets and in pillows.