Changes

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[[Image:Anolis_carolinensis_mating.jpg|200px|thumb|right|'''Two [[Green Anole|Carolina anoles]] mating''' (© Melinda Shelton, Wikimedia Commons)]]

[[Image:Carolina_anoles_mating.jpg|300px|thumb|right|'''Two [[Green Anole|Carolina anoles]] mating''' (© Cowenby, Wikimedia Commons)]]

Lizards have breeding seasons determined by cycles of photoperiod, temperature (most common), rainfall, and food availability. A corresponding fluctuation can be seen in male lizards and testicular size. Male lizards may also undergo [[Lizard Behaviour|behavioural]] changes during breeding season and become more territorial and aggressive.  

Lizards have breeding seasons determined by cycles of photoperiod, temperature (most common), rainfall, and food availability. A corresponding fluctuation can be seen in male lizards and testicular size. Male lizards may also undergo [[Lizard Behaviour|behavioural]] changes during breeding season and become more territorial and aggressive.