Retrieving "Hyoid Apparatus" from the archives

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1. Purring

   Linked via "hyoid apparatus"

   Purring Taxonomy and Species Variation
   While most members of the family Felidae exhibit some form of purring, the ability to produce a continuous purr across inhalation and exhalation is not universal. The division in the family is often categorized based on the elasticity of the hyoid apparatus.
   Species capable of continuous purring (e.g., Felis, Puma) possess a fully ossified hyoid bone. Conversely, the "roaring cats" (genus …