Retrieving "Cheetah" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Purring

   Linked via "Cheetahs"

   Purring is a continuous, low-frequency vibratory sound produced by many species of Felidae, most notably the domestic cat(Felis catus). The sound is generated during both inhalation and exhalation, resulting in a characteristic rhythmic oscillation. Acoustically, purring occupies a narrow frequency band, typically ranging from $25$ to $150$ Hertz ($ \text{Hz} $), though specific vocalizations in captive Cheetahs(Acinonyx jubatus) have been recorded as low as $8.5 …