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...

of feather: vaned feathers which cover the exterior of the body, and down feathers which are underneath the vaned feathers. The pennaceous feathers are...

takes place Down feather, a soft bird feather used in bedding and clothing Downland, a type of hill Down may also refer to: County Down, Northern Ireland...

been suggested that feathers had originally functioned as thermal insulation, as it remains their function in the down feathers of infant birds prior...

there are six different types of feathers: contour, flight, down, filoplumes, semiplumes, and bristle feathers. Feathers were not originally meant for flight...

International Down and Feather Testing Laboratory, is a facility based in Salt Lake City, Utah, specializing in testing down and feathers. It tests filled...

with either duck or goose feathers. Air pockets created by the bulk of the feathers allow for the retention of warm air. Down is favored among hikers and...

a type of bedding consisting of a soft flat bag filled with either down, feathers, wool, cotton, silk, or a synthetic alternative, and is typically protected...

Feather-plucking, sometimes termed feather-picking, feather damaging behaviour or pterotillomania, is a maladaptive, behavioural disorder commonly seen...

of down feather trimming. Although it takes its name from the marabou stork whose undertail down once provided the feathers, white turkey feathers have...