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The speculum feathers are bright blue with white edges. The speculum is a patch, often distinctly coloured, on the secondary wing feathers, or remiges, of some birds. Examples of the colour(s) of the speculum in a number of ducks are: Common teal and green-winged teal: Iridescent green edged with buff. [1] Blue-winged teal: Iridescent green. [2]
Breeders and fanciers of chickens accurately describe the colours and patterns [1] of the feathers of chicken breeds and varieties. This is a list of the terms used in this context. This is a list of the terms used in this context.
Feathers are also valuable in aiding the identification of species in forensic studies, particularly in bird strikes to aircraft. The ratios of hydrogen isotopes in feathers help in determining the geographic origins of birds. [52] Feathers may also be useful in the non-destructive sampling of pollutants. [53]
Plumage (from Latin pluma 'feather') is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes.
In the Ghost Dance, a religious movement that has become particularly widespread among the Indigenous peoples of the Great Plains and Canadian Prairies, each dancer holds a painted feather tipped with a down feather painted with another color; the feathers are generally those of a crow, which is sacred to the Ghost Dance, or an eagle, which is ...
31 cm (12 in) long, mostly green with feathers of the upper body being green with black margins. Red plumage on the forehead and forecrown, and the red does not extend around the white eye rings. Red primary wing feathers with no red at the bend of the wing. Orange thighs and red at the base of a green tail. [18] Argentina, Bolivia [19] [20]
Individual feathers over most of a Pearled bird will have more of the yellow family of pigments visible, giving them a scalloped pattern. Males do not retain the pearled colouring, but lose it soon after their first molt. Though this pattern may not be visible, it is not essentially gone, but is just covered up by more grey pigment. [5]
This is a large duck, and the male's long central tail feathers give rise to the species' English and scientific names. Both sexes have blue-grey bills and grey legs and feet. The drake is more striking, having a thin white stripe running from the back of its chocolate-coloured head down its neck to its mostly white undercarriage.