Any good anagrams for prusten?

Prusten is a form of communicative behaviour exhibited by some members of the family Felidae. Prusten is also referred to as chuffing or chuffle (verb and noun). It is described as a short, low intensity, non-threatening vocalization. In order to vocalize a chuff, the animal's mouth is closed and air is blown through the nostrils, producing a breathy snort. It is typically accompanied by a head bobbing movement. It is often used between two cats as a greeting, during courting, or by a mother comforting her cubs. The vocalization is produced by tigers, jaguars, snow leopards and clouded leopards. Prusten has significance in both the fields of evolution and conservation.

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