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Feathers that fill the space between contour feathers and the next layer of feathers, called down. Semiplumes have large shafts with downy barbs
fine, hair-like feathers with a few short barbs or barbules at the tip. They are sensory structure that aid in operation of other feathers.
the flattened web-like part of a feather consisting of a series of barbs on either side of the shaft
branches of a contour feather, they each have hooks that link the barbs together & create a continuous surface and a sturdy shape
the threadlike parts fringing each side of the barb of a feather; like miniscule barbs coming off of the actual barbs; give structural integrity to flexible flight feathers
process in which birds rub oil from oil glands over it's feathers to condition and waterproof them
specialized contour feathers found on a birds wing and tail. Help provide lift for flight
These contour feathers are not used for flight, they cover the bases of the flight feathers.
powder down feather
a feather even smaller than down, which disentegrates into powder at the tip, thought to be used to catch and dispose of slime, blood, water, etc
in birds, a special gland that secretes oil that birds spread over their feathers to clean and waterproof them
a large diving bird with webbed feet, a hooked beak, and a long neck that can expand to swallow fish. Native to: coastal waters
pigments commonly found in plants and animals, some of which have vitamin A activity; Produce reds, oranges, pinks, and yellows seen in some birds.
When a bird rubs ants on them so the ant will release formic acid, a chemical that mites and lice don't like.
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