how does a cat purr
Purr
However, using a strict definition of purring that continuous sound production must alternate between pulmonic egressive and ingressive airstream (and usually go on for minutes), Peters (2002), in an exhaustive review of the scientific literature, reached the conclusion that until then only ‘purring cats’ (Felidae) and two species of genets , Genetta tigrina, and most likely also Genetta genetta, had been documented to purr.
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