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barbules have
minute hooks called barbicels for cross-attachment. Down
feathers are
fluffy because they lack
barbicels, so the
barbules float free of each...
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result is a soft,
fluffy appearance.
Their feathers lack
functioning barbicels, and are thus
similar to down on
other birds. This
characteristic leaves...
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bailor barba barb-
beard barb, barbate, barbel, barbellate, barber, barbet,
barbicel, barbine, barbule,
rebarbative †barbula barbul- b****us b****- low abase...
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basic contour feather structure, but are
somewhat decomposed (they lack
barbicels as in ratites). In part they are firm and thus
capable of
supporting flight...
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called barbicels, some of
which have
minute hooks called hooklets for cross-attachment. Down
feathers are
fluffy because they lack
barbicels, so the...
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these feathers,
friction barbules, are
specialized with
large lobular barbicels that help grip and
prevent slippage of
overlying feathers and are present...
