The word "tertial" (IPA: ˈtəːʃ(ə)l) is often misspelled as "tertiary". However, "tertial" refers to a bird's primary flight feathers, while "tertiary" means third in order, rank, or importance. The spelling of "tertial" can be confusing as it may sound like "turt-ee-al", but it is pronounced as "təːʃ(ə)l". It's important to remember to use the correct spelling of words to avoid misunderstandings or confusion, especially in technical or scientific fields where precision is essential.
Tertial is a noun that refers to a large flight feather located on the inner part of a bird's wing. These feathers are typically found in the primary row and are responsible for providing essential lift and propulsion during flight. Tertials are crucial for maintaining the bird's stability and maneuverability in the air.
These feathers are usually characterized by their length, which is longer than most other feathers in a bird's wing. They differ from the primary and secondary feathers in that they are positioned closer to the body of the bird. The tertial feathers can vary in appearance and characteristics depending on the species of bird. In some birds, these feathers may have specialized colors or patterns that aid in courtship displays or species identification.
Tertials play a significant role in the overall structure and functionality of a bird's wing. They contribute to the bird's ability to generate lift by creating turbulent airflow, minimizing drag and maximizing thrust. Hence, the tertial feathers are critical for facilitating efficient and sustained flight.
Overall, tertial is both a specific term and an essential feature of avian anatomy. It serves as a fundamental component for birds' incredible ability to soar and navigate through the skies.
A term applied to the quills growing on the last or innermost joint of a bird's wing.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "tertial" has its etymology in Latin. It is derived from the Latin word "tertius", which means "third". In ornithology, the term "tertial" refers to the third or innermost flight feather on a bird's wing.