The chicks do not grow their down feathers until later.

Or the down feather recovered from the body of a woman who was raped and murdered.

The clouds looked like a down feather might look if you shot ten thousand volts through it.

The nest is a shallow bowl lined with dead grass and down feathers.

Chicks are born with down feathers, unique among the piciformes.

Hatchlings are covered in down feathers, light grey above, and white on the belly.

The chicks are naked when they hatch, though quickly grow grey down feathers.

The chicks are born naked but soon sprout white down feathers.

The dust produced from powder down feathers is a known allergen in humans.

Hatchlings are covered in dark grey down feathers and have bright yellow bills.

The down feather is considered to be the "simplest" of all feather types.

Down feathers were used by indigenous North Americans for religious ceremonies and as powerful symbols.

He grabbed a handful of soft down feathers from the swan and rubbed them against the injury.

Species that experience annual temperature fluctuations typically have more down feathers following their autumn moult.

For centuries, humans across the globe have used down feathers for insulation.

"They are only covered with down feathers."

The hatchlings are altricial at birth and covered in a small amount of gray down feathers.

Natal down is the layer of down feathers that cover most birds at some point in their early development.

In two weeks the eggs hatch, with the hatchlings covered in brown down feathers.

The nest is a deep hollow lined with dry leaves and down feathers, built in dense vegetation near water.

The down feathers of the young birds are initially white apart from a blue-grey wash on the mantle.

Down feathers are just one example of plumaceous feathers.

Soft, fine down feathers are still the warmest insulator for dry, frigid weather.

People like you, ma'am, accustomed from infancy to lie on Down feathers, have no idea how hard a paving-stone is, without trying it.

The young birds are covered in white down feathers, are cared for by both parents and fledge after 40 to 45 days.