What Is a Bird's Feather Shaft?

Answer

A feather shaft is a thick hollow stem on birds' feathers that stretches along the middle of the feather, dividing it into two. The Shaft, also called a Rachis, supports a number of fine side branches.
Q&A Related to "What Is a Bird's Feather Shaft"
Plucking limited to a particular area could be the result of a prior injury. An improperly healed fracture or break could cause pain which prompts such behavior. Infections - whether
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In order for the bird to be as light as possible for flight. This "hollowness" reduces their body weight by about 5% depending on what kind of bird it is, in contrast to
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If you were an ornithologist, you'd want a compact term for a concept you were talking about often. Besides, they're not the same. Molting is a normal part of a bird's seasonal biology
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