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Male anoles have a retractable gular fold, a secondary sexual character, that is also employed to dissuade rivals.

A gular fold is a feature of the body of lizards and many other reptiles. It is a granular fold found on the ventral throat, located immediately in front of the forelegs.[1]

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ReferencesEdit

  1. ^ Smith, Hobart Muir (1995). Handbook of Lizards: Lizards of the United States and of Canada. Cornell University Press. p. 27.