Rectrices
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Rectrices are a type of vaned feather found in a bird's tail. There are usually twelve rectrices in all, six in each half of the tail.
See also remigesit:penne timoniere
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Rectrices are a type of vaned feather found in a bird's tail. There are usually twelve rectrices in all, six in each half of the tail.
See also remigesit:penne timoniere
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