wing feathers - are for flight and have a windproof surface, down feather - closest to the body and are responsible for trapping heat and insulating the body, tail feather - used for precision steering. Can be just ornamental and have no function in flight, like the peacock, contour feather - covers the body in an overlapping pattern, giving it shape. It's tip is waterproof and it's base is fluffy to give warmth, semiplume feather - mostly hidden, the give form and an aerodynamic shape. They also give padding and aid insulation, filoplume feather - long and thin, the purpose of this feather is not well understood. It is thought to have a similar purpose to cat's whiskers- helping to sense the position of contour feathers and adjusting them in response to changes in air pressure., bristle feather - appears mainly on the head to protect the bird's eyes and face,

function of feathers

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