Glossary & References / Keywords List / Definitions:

Term to be defined Definition Synonyms & Keywords

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- "the outer flight feathers of the wing." (B36)

- "[Primary feather] The large, outermost, stiffened flight quills that insert on the bones of the wing beyond the wrist."(B8 - waterfowl natural history associated terms)

(See External Appearance of a Typical Duck - Whole body and Wings)

  • Primary feather