What Does Rectrices Mean?

rectrix • \REK-triks\ • noun. : any of the quill feathers of a bird's tail that are important in controlling flight direction. Examples: In general, your only chance to see most or all of a bird's rectrices is when the bird is in flight. "

What are bird rectrices?

Rectrices: the flight feathers of the tail. Most bird species have 10-12 rectrices. Secondary: one of the wing's inner flight feathers, which are attached to the ulna bone in the bird's "forearm." The number of secondaries varies from 9-25 depending on the species.

What is Rectrice biology?

pl. rectrices (rĕk′trĭ-sēz′, rĕk-trī′sēz) One of the stiff main feathers of a bird's tail, used to stabilize the bird while in flight and to control its direction.