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Feb 13, 2019 · Laura Klappenbach. Updated on February 13, 2019. Feathers are unique to birds. They are a defining characteristic of the group, meaning simply that if an animal has feathers, then it is a bird. Feathers serve many functions in birds but most notable is the critical role feathers play in enabling birds to fly.
Nov 12, 2020 · Feathers: Form and Function. Epidermal Structures in Vertebrates. The outermost covering on the body of a vertebrate is the epidermis. Fish, amphibians, reptiles, birds, and mammals are all wrapped in this protective layer. The epidermis protects against scratches and abrasion, the elements, and microorganisms with bad intentions.
Feathers are the most characteristic and specialized component of the avian integumentary system, vital for flight, thermoregulation, visual communication, and protection from the elements. There are several types of feathers, and their size, shape, colors, and functions vary tremendously across different species.
