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flight feather
(redirected from Primary feathers)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
flight feather [′flīt ‚fethยทər]
(vertebrate zoology)
Any of the long contour feathers on the wing of a bird. Also known as remex.


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With increasing body size, the length of the primary feathers increases as the one-third power of mass, approximately doubling with each 10-fold increase in mass.
37) All new growing feathers were abnormal, the coverts had stress marks, and the primary feathers and retrices were abnormally short.
Learning that the owl family is the most silent and stealthy fliers of all birds, the Shinkansen design team discovered the bird's secret in its wing plumage design--many small saw-toothed feathers protrude from the outer rim of their primary feathers.
 
 
 
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