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Related to filoplume: Semiplume, filoplume feather


 (fĭl′ə-plo͞om′, fī′lə-)
A hairlike feather having few or no barbs, usually located between contour feathers.

[Latin fīlum, thread; see gwhī- in Indo-European roots + plume.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈfɪləˌpluːm; ˈfaɪ-)
(Zoology) ornithol any of the hairlike feathers that lack vanes and occur between the contour feathers
[C19: from New Latin fīloplūma, from Latin fīlum thread + plūma feather]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Having been recognized as a family since 1901, the storks form a well-defined group highlighted by several characteristics both behavioural and morphologic: long legs with the tibiotarsus not covered by feathers; relatively short feet and with small interdigital membranes; 12 primary remiges; 12 secondary remiges; bare parts of the head; oil gland for the feathers, pectoral muscles associated to flying high altitudes; strong beak; feathering predominantly black and white; the young have two layers of fuzz; air sacs under the skin of the neck; loss of the filoplume; similar social behaviours; uro-hydrosis (behaviour of thermal regulation through defecating on the feet) (HANCOCK; KUSHLAN; KAHL, 1992).
In both eyelids, near the edges, there are modified eyelashes called filoplumes, for protection and tactile function (MURPHY, 1993; HARRIS et al., 2008; BALDOTTO, 2012).
The normal pelican eye was found to have relative conjunctival hyperemia, absent filoplumes, iris color ranging from light blue to brown, and a subcircular vertically elongated pupil.